Attachment 2 Swine Walkway Total Specification SOW.pdf

BID SCHEDULE

ITEM NO. DESCRIPTION AMOUNT

BASIC BID For furnishing labor, supervision, material, ITEM #1 tools, equipment, transportation, etc., necessary to construct a 28’ x 40’ wood framed, metal sheeted enclosed walkway between swine

Bldg. #83-25 and swine Bldg. #84-25 complete with concrete foundation, stem wall, floor, electrical service, etc., all at the UNITED STATES

DEPARTMENT OF AGRICULTURE,

Agricultural Research Service, Roman L. Hruska

U.S. Meat Animal Research Center, Clay Center, Nebraska, in accordance with the attached specifications and drawings.

ALL FOR THE LUMP SUM OF………………$___________

TABLE OF CONTENTS

DIVISION 1- GENERAL REQUIREMENTS

0101 - SUMMARY OF WORK

0130 - SHOP DRAWINGS

0160 - USE OF GOVERNMENT FACILITIES (UTILITIES, ETC.)

0180 – CLEANUP

DIVISION 2 - EARTHWORK

0220 – EXCFAVATION, BACKFILL, & GRADING

DIVISION 3 – CONCRETE

0330 – CONCRETE

DIVISION 5 - METALS

0550 - GATES AND FENCE

DIVISION 6 – WOOD & PLASTICS

0610 – CARPENTRY

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

0720 – INSULATION

0790 – JOINT SEALERS

DIVISION 8 – DOORS & WINDOWS

0810 – HOLLOW METAL DOORS

0850 – WINDOWS

DIVISION 9 – FINISHES

0990 – PAINTING

DIVISION 13 – SPECIAL CONSTRUCTION

1360 – METAL ROOF AND WALL SHEETING

DIVISION 15 – MECHANICAL

1505 – PLUMBING

1515 – GAS PIPING

1580 – HEATING, VENTILATING, & COOLING

DIVISION 16 – ELECTRICAL

1605 – ELECTRICAL SYSTEMS

DIVISION 1

SECTION 0101

SUMMARY OF WORK

The work consists of providing all labor, material, tools, and equipment to build a covered wood framed metal sheeted walkway building which is to connect Swine Bldg.

#83 and Swine Bldg. #84 as shown on the drawings and as described herein. The work shall include but shall not be limited to the following:

1. Construction of a nominal 28’ x 40’ wood framed metal sheeted enclosed walkway with concrete floor and concrete foundation system.

2. Installation of sealed LED light fixtures and GFI electrical receptacles.

3. Installation of floor drains with mud traps.

4. Installation of handicap accessible bathroom with toilet, sink, mirror.

5. Installation of gas unit heaters.

6. Installation of wall and roof insulation.

7. Installation of 1 set of exterior metal double doors with mortise type lock set and 2 sets of interior metal double lockable doors. Interior doors will not have mullion.

8. Installation of one lockable metal restroom interior door and 3 other metal interior doors.

9. Installation of a wall ventilation fan and intake dampers for animal scale area and animal walkway area.

10. Installation of floor and wall wood cabinetry in work room.

11. Installation of a central heating and air conditioning system serving an office, restroom, and workroom areas.

12. Installation of an electrical meter with electrical subpanel.

13. Relocate central heating and ventilation controller from B #83 to walkway.

14. Installation of garden hose faucet.

0101-1

15. Installation of 3 heat detectors, 120 volt.

16. Installation of gates and fencing for animal areas.

17. Installation of sewer pipe and hot (water heater) and cold water service.

18. Installation of bathroom exhaust fan.

19. Installation of vinyl double hung windows.

20. Painting of interior walls and ceilings (3 coats) and painting of doors with 2 top coats that have a factory prime coat.

21. Removal of existing sidewalk between B#83 and B#84 and excavation for stem wall and concrete floor and grading for prep and completion.

SECTION 0130

SHOP DRAWINGS

1. Submit shop drawings to the Contracting Officer’s Representative (COR) for approval prior to installation. Information in the form of drawings, product literature, manufacturer’s specification, equipment lists, etc. shall be submitted on the following:

Specification

Description Drawings Literature Schedule

a. Concrete reinforcing x x x

b. Metal wall & roof sheeting x

c. Paint & Sealers x x

d. Concrete Mix x

e. Doors x

f. Light Fixtures x

g. Louvers &Fans x

h. Gates & Fence x

i. Breakers, Disconnect, & other x

Items under Sec. 16

j. All items mentioned in x

Divisions 15 and 16

k. Windows x

0101-2, 0130-1

1. The Contracting Officer may request submittals in addition to those listed when deemed necessary to adequately describe the work covered in the respective sections.

2. Each submittal shall be complete and in sufficient detail for ready determination of compliance with the contract requirements.

3. Submittal shall be submitted in four (4) copies to the COR using the transmittal form.

The form shall be properly completed by filling out all the heading block spaces and identifying each item submitted. Special care should be exercised to insure proper listing of the specification paragraph and/or sheet number of the contract drawings pertinent to the data submitted for each item. A separate transmittal form shall be attached to each copy of the data being submitted.

4. Brand Name: Identification of items in the contract documents is intended to be descriptive, not restrictive, and is to indicate the quality and characteristics of products that will be satisfactory.

SECTION 0160

USE OF GOVERNMENT FACILITIES (UTILITIES, ETC.)

1. Water, Gas, Electricity:

a. As mutually agreed upon between the Contractor and the COR, the Contractor may use nearby utilities required for his performance under this contract.

b. Contractor shall bear the cost of temporary connections (if necessary) and restoration upon conclusion of use.

c. The Government shall bear the cost of reasonable utility consumption.

Government will not pay the cost of utilities if usage is abused.

d. The Contractor shall submit for approval written notification not less than 4 working days in advance of requirement to shut down any utilities or other services to or within existing building or facilities used by others.

2. Telephone:

a. Contractor shall arrange and pay for any telephone service they choose to provide for themselves.

3. Toilet:

a. Contractor shall provide their own toilet facilities with location approved by the

Contracting Officer’s Representative (COR).

0130-2, 0160-1

4. Access to Buildings:

a. Contractor’s access to buildings shall be limited to those areas where work is being performed.

5. Safety

a. All applicable national, state, and local safety regulations shall be followed.

6. Material Receiving:

a. Contractor shall be on-site to receive materials. Contractor shall arrange for own storage of materials unless other arrangements have been agreed to by owner.

7. Security:

a. All contract personnel shall complete a visitor information sheet and shall be issued a contractor badge that shall be worn at all times while on-site.

b. Work hours shall be Monday through Friday, 7:30 AM to 4:30 PM, except for

Holidays.

8. Swine Shower-in Facility: Contractor shall be required to shower-in at owners swine showers daily.

SECTION 0180

CLEANUP

1. Cleanup:

a. The Contractor shall keep the premises clean during construction and shall remove all rejected material, rubbish, etc., after completion of work and prior to final inspection.

b. Materials removed by the Contractor shall become the property of the contractor and shall be removed from the site unless otherwise agreed to by the owner.

c. Government dumpsters shall not be used by the contractor.

0160-2, 0180

* End of Section

SECTION 0220

EXCAVATION, BACKFILL, & GRADING

1. General:

Extent of earthwork shall include excavation of soil to depth necessary to achieve final floor elevation as shown on drawings and excavations for footings.

2. Utilities:

a. Existing utilities currently in use shall not be interrupted. Such utilities shall be located and avoided. If damaged, contractor shall repair at contractor’s expense.

Owner shall provide general guidance in identifying “in use” and abandoned utilities.

3. Grading:

a. Uniformly grade areas within limits of grading under this section, including adjacent transition areas.

b. Grade adjacent areas to building lines to drain away from structures and to prevent ponding.

c. Where existing topsoil has not been stripped, but has been rutted, compacted by construction traffic, or otherwise disturbed by the construction process, loosen surface and restore grade to original contours. Finish surfaces free from irregular surface changes.

4. Excavation:

a. Excavation includes stripping and excavation to subgrade elevations indicated regardless of character of materials and obstructions encountered.

b. Stability of excavation: Maintain sides and slopes of excavations in safe condition until completion of backfilling.

c. Dewatering: Prevent surface water and subsurface or ground water from flowing into excavations and from flooding project site and surrounding area. Establish temporary drainage ditches or diversions to convey rain water to run-off areas.

d. When excavation has reached required elevations, if unsuitable bearing conditions are found at required subgrade elevations, carry excavations deeper and replace excavated material with material brought to site by owner.

0220-1

e. Protect excavation bottoms against freezing when atmospheric temperature is less than 35 degrees F.

f. Separate stockpile, topsoil, and excavated materials suitable for use in fill/backfill site.

5. Disposal of Excess and Waste Materials:

a. Remove excess and waste material and dispose of it on the project site.

6. Protection of Existing Buildings/Structures:

a. Care shall be taken to protect existing buildings and structures. If damaged, buildings and/or structure shall be brought back to condition prior to damage or as directed by owner.

0220-2

SECTION 0330

CONCRETE WORK

1. Scope:

a. Concrete work shall include all slab concrete and other concrete items indicated or as obviously intended to be concrete as necessary to complete the project.

b. Submittals:

1. Submit data for proprietary materials and items, including admixtures, patching compounds, curing compounds, and others as requested by the C.O.R.

2. Reinforcement: Submit shop drawings for fabrication, bending, and placement of concrete reinforcement. Comply with ACI 315 “Manual of Standard

Practice for Detailing Reinforced Concrete Structures”.

3. Submit laboratory test reports for concrete materials and mix design test.

4. Provide material certificates in lieu of materials laboratory test reports when permitted by C.O.R. Materials certificates shall be signed by manufacturer and

Contractor, certifying that each material item complies with, or exceeds, specified requirements. Provide certification from admixture manufacturers that chloride content complies with specification requirements.

c. Codes and Standards: Comply with provisions of following codes, specifications and standards, except where more stringent requirements are shown or specified.

1. ACI 301 “Specifications for Structural Concrete for Buildings”.

2. ACI 318 “Building Code Requirements for Reinforced Concrete”.

3. Concrete Reinforcing Steel Institute, “Manual of Standard Practice”.

2. Concrete Materials:

a. Portland cement shall be ASTM CISO, Type I. Use one brand of cement through project.

b. Water: Drinkable.

c. Air-Entraining Admixture: ASTM C 260, certified by manufacturer to be compatible with other required admixtures.

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d. Water Reducing Admixtures: ASTM C 494, Type A, and containing not more than 0.1 percent chloride ions.

e. Water-Reducing, Non-Chloride Accelerator Admixture: ASTM C494, type E, and containing not more than 0.1 percent chloride ions.

f. Prohibited Admixtures: Calcium chloride thyocyanates or admixtures containing more than 0.1 percent chloride ions are not permitted.

g. Granular base shall be evenly graded mixture of fine and coarse aggregates to provide, when compacted, a smooth and even surface below slabs on grade.

h. Absorptive Cover: Burlap cloth made from jute or kenaf, weighing approximately 9 oz. Per yd., complying with ASSHTO M 182, Class 2.

i. Moisture-Retaining Cover: One of the following, complying with ASTM C 171.

Waterproof paper.

Polyethylene film.

Polyethylene-coated burlap.

j. Liquid Membrane-Forming Curing Compound: Liquid type membrane- forming curing compound complying with ASTM C 309, Type I, Class A. Moisture loss not more than .055 gr./sq. cm. when applied at 200 sq. ft./gal.

3. Proportioning and Design of Mixes:

a. Prepare design mixes for each type and strength of concrete by either laboratory trial batch or field experience methods as specified in ACI 301. If trial batch method is used, use an independent testing facility acceptable to C.O.R. for preparing and reporting proposed mix designs.

b. Submit written reports to C.O.R. of each proposed mix for each class of concrete at least 15 days prior to start of work. Do not begin concrete production until mixed have been reviewed by C.O.R.

c. Proportions of aggregate to cement and water shall be such as to produce a concrete which will work readily into corners, angles or forms and around reinforcement and without permitting material to segregate or excess water to collect on the surface. Comply with requirements of ASTM C 94 and as herein specified for ready mix concrete.

d. The combined aggregates shall be such that when separated on the No. 4 standard sieve, the weight passing the sieve, for fins aggregate, shall not be less than 44% nor greater than 88% of the total.

0330-2

Strength Allowable water Portland Cement per sack of cement per cubic yd. of concrete

3,000 lbs. 6-1/2 Gals 6.0 sacks

(94 lbs., per sack)

e. Slump Limits: Proportion and design mixes to result in concrete slump at point of placement as follows:

Ramps, slabs, and sloping surfaces: Not more than 3”.

Reinforced foundation systems: Not less than 1” and not more than 3”.

Other concrete: Not less than 1” or more than 4”.

4. Admixtures:

a. Use air-entraining admixture in exterior exposed concrete, unless otherwise indicated. Add air-entraining admixture at manufacturer’s prescribed rate to result in concrete at point of placement, having total air content with a tolerance of plus-or-minus 1-1/2 percent within following limits.

1. Concrete structures and slabs exposed to freezing and thawing, deicer chemicals, or subjected to hydraulic pressure: 6.0 percent (severe exposure) 1” maximum aggregate.

2. Other concrete (including all interior concrete) (not exposed to freezing, thawing, or hydraulic pressure)” 2 percent to 4 percent air.

5. Mixing:

a. On-the-job mixed concrete shall be mixed in a revolving drum-type mixer.

Concrete shall be mixed not less than 1-1/2 minutes after all materials, including water are in the mixer.

b. No caked or lumpy materials or partially set or retempered concrete shall be used.

c. Concrete shall be placed immediately after mixing, in such a manner as will prevent segregation of the aggregates or a displacement reinforcing. It shall be deposited as nearly as practicable in its final position to avoid rehandling.

d. As far as practicable, concrete shall be placed in each section of the work in a continuous operation so as to avoid construction joints.

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e. Cement shall be stored at the site in such a manner that it will not absorb moisture from the ground and shall be covered so as to be completely protected from the elements. Cement which hardens or partially sets shall not be used.

6. Forms:

a. Forms shall be provided for all concrete work with exposed vertical surfaces.

b. Form Materials:

1. Forms for Unexposed Finish Concrete: Plywood, lumber, metal, or other acceptable material. Provide lumber dressed on at least 2 edges and one side for tight fit.

2. Forms for Exposed Finish Concrete: Plywood, metal, metal-framed plywood faced, or other acceptable panel-type materials, to provide continuous, straight, smooth, exposed surfaces. Furnish in largest practicable sizes to minimize number of joints and to conform to joint system shown on drawings.

a. Use overlaid plywood complying with U.S. Product Standard PS-1 “A-C or

B-B High Density Overlaid Concrete Form”, Class I.

3. Form Coatings: Provide commercial formulation form-coating compounds that will not bond with, stain, nor adversely affect concrete surfaces, and will not impair subsequent treatments of concrete surfaces.

c. Forms shall be built true to line, and shall be mortar-tight and sufficiently rigid to prevent displacement or bulging between supports. All forms for concrete walls which will be exposed shall be of sound plywood or fiberboard closely fitted to give best surface possible without special lining. Joints shall be minimized as much as possible. Other forms may be of sound lumber, free from loose knots.

d. All forms not oiled shall be wet down immediately before concrete is poured.

e. All anchors, ties, inserts, drains, etc., required in connection with other work shall be placed accurately and built into the forms.

f. All form work shall be cleaned before placing concrete.

g. Screeds shall be provided until concrete has attained sufficient strength on the judgement of the COR, to support its own weight plus construction live loads.

7. Reinforcement:

a. Reinforcing Materials:

0330-4

1. Reinforcing Bars (Rebar): ANSI/ASTM A 615, Grade 40, deformed.

2. Steel Wire: ANSI/ASTM A 82, plain, cold-drawn, steel.

3. Welded Wire Fabric (WWF): ANSI/ASTM A 185, welded steel wire fabric.

b. Supports for Reinforcement:

1. Provide supports for reinforcement including bolsters, chairs, spacers, and other devices for spacing, supporting and fastening reinforcing bars and welded wire fabric in place. Use wire bar type supports complying with CRSI recommendations, unless otherwise acceptable.

a. For slabs-on-grade, use supports with sand plates or horizontal runners where base material will not support chair legs.

b. For exposed-to-view concrete surfaces, where legs of supports are in contact with forms, provide supports with legs which are plastic protected

(CRSI, Class I or stainless steel protected (CRSI, Class 2).

c. Placing Reinforcement:

1. Comply with concrete reinforcing steel institute’s recommended practice for

“Placing Reinforcing Bars” which shows details and methods for reinforcement placement and supports. Additionally, comply with placing reinforcing as herein specified.

a. Accurately position, support, and secure reinforcement against displacement by formwork, construction, or concrete placement operation. Locate and support reinforcing by metal chairs, runners, bolsters, spacers, and hangers, as required.

b. Place reinforcement to obtain at least minimum coverage for concrete protection. Arrange, space, and securely tie bars and bar supports to hold reinforcement in position during concrete placement operations. Set wire ties so ends are directed into concrete, not toward exposed concrete surfaces.

c. Install welded wire fabric in as long of lengths as practicable, aligned with building grid. Lap adjoining pieces at least one full mesh and lace splices with wire. Offset end laps in adjacent widths to prevent continuous laps in either direction.

1. Terminate wire fabric at each construction joint in slab on grade. Do not extend across joint.

0330-5

2. Extend wire fabric across co0ntrol joints, but cut out and remove alternate wires crossing control joints.

d. Reinforcing steel fabricated to shapes and dimensions shown on approved shop drawings, or required to carry out intent of drawings and specifications.

Before being placed, reinforcement shall be thoroughly cleaned of rust, mill scale, coating, including ice, that would reduce or destroy the bond.

Reinforcement reduced in section shall not be used. Following any substantial delay in the work, previously placed reinforcement left for future bonding shall be inspected and cleaned. Reinforcement shall not be bent or straightened in a manner injurious to the materials. Bars with kinks or bends not shown on drawings shall not be placed. Laps or splices shall be of adequate length to transmit stresses: Splices in adjacent bars shall be staggered.

e. Concrete covering reinforcing steel, where concrete surfaces, after removal of forms, are exposed to weather or ground except as otherwise shown on the drawings or specified shall conform to the following requirements:

Reinforcement Min Concrete Cover

For bars more than 5/8 inch in dia. 2 inches

For bars 5/8 inch or less in dia. 1-1/2 inches

d. Shop Drawings:

1. Shop detail and placing drawings for all reinforcing steel shall be furnished for approval.

8. Joints:

a. Construction Joints: Locate and install construction joints as indicated or, if not indicated, locate so as not to impair strength and appearance of the structure as acceptable to C.O.R.

b. Provide keyway at least 1-1/2” deep in construction joints in walls, slabs, and between walls and footings. Accepted bulkheads designed for this purpose may be used for slabs.

c. Isolation Joints in Slabs-on-Ground: Construct isolation joints in slabs-on-ground at points of contact between slabs-on-ground and vertical surfaces, such as column pedestals, foundation walls, grade beams, and elsewhere as indicated.

0330-6

1. Joint filler and sealant materials are specified in Division-7 sections of these specifications.

d. Contraction (Control) Joints in Slabs-on-Ground: Construct contraction joints in slabs-on-ground to form panels of patterns as shown. Use inserts ¼” wide x ¼ of slab depth, unless otherwise indicated.

1. Form contraction joints by inserting premolded plastic, hardboard or fiberboard strip into fresh concrete until top surface of strip is flush with slab surface.

Tool slab edges round on each side of insert. After concrete has cured, remove inserts and clean groove of loose debris.

2. If joint pattern not shown, provide joints not exceeding 15’-0” in either direction and located to conform to bay spacing wherever possible (at column centerlines, half bays, third-bays).

9. Concrete Placement:

a. Before placing concrete, inspect and complete formwork installation, reinforcing steel, and items to be embedded or cast-in. Notify other crafts to permit installation of their work and cooperate with other trades in setting such work.

Moisten wood forms immediately before placing concrete where form coatings are not used. Formwork & reinforcing steel must be approved by the C.O.R.

before placing concrete.

b. Comply with ASI 304: Recommended Practice for Measuring, Mixing, Transporting, and Placing Concrete”, and as herein specified.

c. Deposit concrete continuously or in layers of such thickness that no concrete will be placed on concrete which has hardened sufficiently to cause the formation of seams or planes of weakness. If a section cannot be placed continuously, provide construction joints as herein specified. Deposit concrete as nearly as practicable to its final location to avoid segregation.

d. Deposit concrete in forms in horizontal layers not deeper than 24” and in a manner to avoid inclined construction joints. Where placement consists of several layers, place each layer while preceding layer is still plastic to avoid cold joints.

e. Do not use vibrators to transport concrete inside forms. Insert and withdraw vibrators vertically at uniformly spaced locations not farther than visible effectiveness of machine. Place vibrators to rapidly penetrate placed layer and at least 6” into preceding layer. Do not insert vibrators into lower layers of concrete that have begun to set. At each insertion limit duration of vibration to time necessary to consolidate concrete and complete impediment of reinforcement and other embedded items without causing segregation of mix.

0330-7

f. Deposit and consolidate concrete slabs in a continuous operation, within limits of construction joints, until the placing of a panel or section is completed.

g. Consolidate concrete during placing operations so that concrete is thoroughly soaked around reinforcement and other embedded items and into corners.

h. Bring slab surfaces to correct level with straightedge and strike off. Use bull floats or darbies to smooth surface free of humps or hollows. Do not disturb slab surface prior to beginning finishing operations.

i. Maintain reinforcing in proper position during concrete placement operations.

j. Protect concrete work from physical damage or reduce strength which could be caused by frost, freezing actions, or low temperatures, in compliance with ACI

306 and as herein specified.

k. When air temperature has fallen to or is expected to fall below 40 deg F (4 deg C), uniformly heat water and aggregates before mixing to obtain a concrete mixture temperature of not less than 50 deg F (10 deg C), and not more than 89 deg F (27 deg C) at point of placement.

l. Do not use frozen materials or materials containing ice or snow. Do not place concrete on frozen subgrade or on subgrade containing frozen materials.

m. When not weather conditions exist that would seriously impair quality and strength of concrete, place concrete in compliance with ACI 305 and as herein specified.

n. Cool ingredients before mixing to maintain concrete temperature at time of placement below 90 deg C (32 deg C). Mixing water may be chilled, or chopped ice may be used to control temperature provided water equivalent of ice is calculated to total amount of mixing water. Use of liquid nitrogen to cool concrete is contractor’s option.

o. Cover reinforcing steel with water-soaked burlap if it becomes too hot so that steel temperature will not exceed the ambient air temperature immediately before embodiment in concrete.

p. Fog spray forms, reinforcing steel, and subgrade just before concrete is placed.

q. Use water reducing retarding admixture (Type D) when required by high temperatures, low humidity, or other adverse placing conditions.

10. Finish of Formed Surfaces:

0330-8

a. Provide as-cast concrete surface obtained with specified form facing material, arranged orderly and with a minimum of seams. Repair and patch defective areas;

completely remove fins and other projections, leaving a smooth surface.

11. Monolithic Slab Finishes:

a. Apply float finish to monolithic slab surfaces to receive trowel finish and other finishes as herein after specified.

1. After screeding, consolidating, and leveling concrete slabs, do not work surface until ready for floating. Begin floating when surface water has disappeared or when concrete has stiffened sufficiently to permit operation of power-driven floats, or both. Consolidate surface with power-driven floats, or by hand-floating if area is small or inaccessible to power units. Check and level surface place to tolerances appropriate to achievement of specified trowel finish tolerances. Where float finish is to be final finish, or to receive non-slip finish, finish to tolerance ¼” in 10’ when tested with 10’ straightedge. Cut down high spots and fill low spots. Uniformly slope surfaces to drains. Immediately after leveling, refloat surface to a uniform, smooth, granular texture.

b. Apply trowel finish:

1. After floating, begin first trowel finish operation using a power-driven trowel or hand trowel if area is small or inaccessible to power units. Begin final troweling when surface produces a ringing sound as trowel is moved over surface. Consolidate concrete surface by final hand troweling operation, free of trowel marks, uniform in texture and appearance, and with surface leveled to tolerances of ¼” in 10’ when tested with 10’ straightedge.

c. Apply broom finish:

1. Apply light broom finish or as otherwise directed.

12. Concrete Curing & Protection:

a. Protect freshly placed concrete from premature drying and excessive cold or hot temperature.

b. Start initial curing as soon as free water has disappeared from concrete surface after placing and finishing. Keep continuously moist for not less than 7 days.

c. Begin final curing procedures immediately following initial curing and before concrete has dried. Continue final curing for at least 7 days in accordance with

ACI 301 procedures. Avoid rapid drying at end of final curing period.

0330-9

d. Curing methods shall be subject to indicated restrictions, perform curing of concrete by curing and sealing compound, by moist curing by moisture-retaining cover curing, and by combinations thereof, as herein specified.

e. Provide moisture curing by following methods.

1. Keep concrete surface continuously wet by covering with water.

2. Continuous water-fog spray.

3. Covering concrete surface with specified absorptive cover, thoroughly saturating cover with water and keeping continuously wet. Place absorptive cover to provide coverage of concrete surfaces and edges, with 4” lap over adjacent absorptive covers.

f. Provide moisture-cover curing by following method:

1. Cover concrete surfaces with moisture-retaining cover for curing concrete, placed in widest practicable width with sides and ends pegged at least 3” and sealed by waterproof tape or adhesive. Immediately repair any holes or tears during curing period using cover material and waterproof tape.

g. Provide curing and sealing compound by following method:

1. Apply curing and sealing compound to concrete slabs as soon as final finishing operations are complete (within 2 hours). Apply uniformly in continuous operation by power-spray or roller in accordance with manufacturer’s directions. Recoat area subjected to heavy rainfall within 3 hours after initial application. Maintain continuity of coating and repair damage during curing period.

h. Cure formed concrete surfaces by moist curing with forms in place for full curing period or until forms are removed. If forms are removed, continue curing by methods specified above, as applicable.

i. Cure slabs by application of appropriate curing method.

13. Removal of Forms:

a. Formwork not supporting weight of concrete, such as sides of beams, walls, columns, and similar parts of the work, may be removed after cumulatively curing at not less than 50 deg. F. for 24 hours after placing concrete, provided concrete is sufficiently hard to not be damaged by form removal operation, and provided curing and protection operation are maintained.

0330-10

b. Clean and repair surfaces of forms to be re-used. Split, frayed, delaminated, or otherwise damaged form facing concrete will not be acceptable for exposed surfaces. Apply new form coating compound as specified for new formwork.

c. When forms are extended for successive concrete placement, thoroughly clean surfaces, remove fins and Latinate, and tighten forms to close joints. Align and secure joint to avoid offsets. Do not use “patched” forms for exposed concrete surfaces, except as acceptable to C.O.R.

14. Miscellaneous Concrete Items:

a. Fill-in holes and openings left in concrete structures for passage of work by other trades, unless otherwise shown or directed, after work of other trades is in place.

Mix, place, and cure concrete as herein specified, to blend with in-place construction. Provide other miscellaneous concrete filling shown or required to complete work.

b. Grout base plates and foundations as indicated, using non-shrink, non-metallic grout.

15. Concrete Surface Repairs:

a. Test unformed surfaces, such as monolithic slabs, for smoothness and verify surface plane to tolerances specified for each surface and finish. Correct low and high areas as herein specified. Test unformed surfaces sloped to drain for trueness of slope, in addition to smoothness using a template having required slope.

b. Repair finished unformed surfaces that contain defects which affect durability of concrete. Surface defects, as such, indulge crazing, cracks in excess of 0.01” wide or which penetrate to reinforcement or completely through non-reinforced sections regardless of width, spalling, popouts, honeycomb, rack pockets, and other objectionable conditions.

c. Correct high areas in unformed surfaces by grinding, after concrete has cured at least 14 days.

d. Correct low areas in unformed surfaces during or immediately after completion of surface finishing operation, by cutting out low areas and replacing with fresh concrete. Finish repaired areas to blend into adjacent concrete. Proprietary patching compounds may be used when acceptable to Contracting Officer.

e. Exposed vertical surfaces shall have honeycomb, etc., patched, all projections removed and shall be smooth.

16. Testing:

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a. Materials and installed work may require testing and retesting at any time during progress of work. Owner shall have free access to material stockpiles and facilities.

b. Concrete Test Specimens: During the progress of the work, compression tests specimens shall be made by contractor and cured by the testing laboratory in accordance with ASTM C-31. Not less than three specimens (cylinders, 6” diameter x 12” long) shall be made for each 100 cubic yards of concrete or one day’s pour. Specimens shall be cured out of direct sunlight at jobsite or in the laboratory unless, in the opinion of the C.O.R., there is a possibility of the surrounding air temperature falling below 40 degrees F. In this case additional specimens shall be taken and cured entirely under jobsite conditions. One specimen shall be “broken” at 7 days and a second one “broken” at 28 days. The third specimen shall be “broken”, if, and when, needed.

0330-12

SECTION 0550

GATES AND FENCE

This section includes the following metal fabrications:

Gate/fence/ posts and panels.

2. Submittals:

a. Shop drawings detailing fabrication of gate/pen posts and panels. Include plans, elevations, sections, and details of metal fabrications and their connections.

Show anchorage and accessory items. Provide templates for anchors and bolts specified for installation under other sections.

3. Products:

a. Metal surfaces, for metal fabrications exposed to view upon completion of the work, provide materials selected for their surface flatness, smoothness, and freedom from surface blemishes. Do not use materials whose exposed surfaces exhibit pitting, seam marks, roller marks, rolled trade names, roughness, and, for steel sheet, variations in flatness exceeding those permitted by reference standards for stretcher-leveled sheet.

1. Steel Plates, Shapes & Bars: ASTM A 36.

2. Steel pipe: ASTM A 53; type, grade, weight and finish as follows:

a. Type S, Grade B, XS Weight (Schedule 80), Unless otherwise noted.

3. Welding Rods and Bare Electrodes shall be selected in accordance with

AWS specifications for the metal alloy to be welded.

b. Fasteners:

1. Expansion anchors complying with FS FF-S-325, Group VIII (anchors, expansion, (non drilling), Type I (internally threaded FS FF-B-575 Grade 5.

Provide galvanized units.

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4. Fabrication, General:

a. Form metal fabrications from materials of size, thickness, and shapes indicated.

Work to dimensions indicated, using proven details of fabrication and support.

Use type of materials indicated or specified for various components of each metal fabrication.

b. Form exposed work true to line with accurate angles and surfaces.

c. Shear and punch metals cleanly and accurately. Remove burrs.

d. Ease exposed edges to a radius of approximately 1/32 inch, unless otherwise indicated. Form bent-metal corners to smallest radius possible without causing separation or otherwise impairing work.

e. Remove sharp or rough areas on exposed surfaces.

f. Weld corners and seams continuously to comply with AWS recommendations and the following:

1. Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals.

2. Obtain fusion without undercut or overlap.

3. Remove welding flux immediately.

4. Grind sharp edges and projections from welds at exposed connections.

g. Provide for anchorage of type indicated; coordinate with supporting structure.

Fabricate and space anchoring devices to provide adequate support for intended use.

h. Shop Assembly: Preassemble items in shop to greatest extent possible to minimize field splicing and assembly. Disassemble units only as necessary for shipping and handling limitations. Use connections that maintain structural value of joined pieces. Clearly mark units for reassembly and coordinated installation.

i. Cut, reinforce, drill and tap miscellaneous metal work as indicated to receive finish hardware, screws, and similar items.

j. Fabricate joints in a manner to exclude water, or provide weep holes where water may accumulate.

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8. Installation, General:

a. Fastening to In-Place Construction: Provide anchorage devices and fasteners where necessary for securing miscellaneous metal fabrications to in-place construction; include toggle bolts, through-bolts, concrete anchors, expansion bolts, and other connectors as required.

b. Space posts at spacing indicated. Plumb posts in each direction. Secure posts to building construction as indicated. Install gate and pen panels on posts with hinge pins. Adjust post locations if needed for free operation and clearance.

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SECTION 0610

CARPENTRY

a. Types of work in this section include rough carpentry for:

1. Wood furring, backing.

2. All wood framework.

3. All necessary erection hardware such as screws, bolts, washers, brackets, etc.

4. All trim, flashings, and fasteners necessary for installation thereof.

5. Fasteners and appurtenances required for complete installation of roof and wall coverings.

6. Wood Cabinets

7. Miscellaneous materials

b. Rough carpentry includes carpentry work not specified as part of other sections and which is generally not exposed, except as otherwise indicated.

2. Product Handling:

a. Keep materials under cover and dry. Protect against exposure to weather and contact with damp or wet surfaces. Stack lumber as well as plywood and other panels for air circulation within and around stacks and under temporary coverings including polyethylene and similar materials.

3. Project Conditions:

a. Fit carpentry work to other work; scribe and cope as required for accurate fit. Correlate location of furring, hailers, blocking, grounds, and similar supports to allow attachment of other work.

4. Lumber and Other Materials:

a. All materials shall be subject to inspection. Owner reserves the right to reject any material not in conformity with plans and specifications.

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b. Framework: All columns, rafters, framing, bracing, joists, trusses, etc. shall be No. 1

Southern Yellow Pine.

c. Roof and Wall Panels: All exterior roof and wall panels shall be no lighter than 26 gauge prime steel coated with 1.25 ounces of zinc per square foot. Panels shall be roll-formed from precoated color coil stock. Galvanized sheet stock material shall be bonderized and then finished with Kynar 500 commercial grade finish paint system, or equal. Colored panel material shall be a stock item. Color shall be selected by owner.

1. Roof and wall panels shall be supplied in continuous lengths from high point or ridge of roof to eave and from eave to base.

d. Fasteners: On-site erection fasteners shall be stainless steel screws. Nails are not acceptable. Neoprene washers or vinyl grommets and steel back-up washers shall be used with each fastener.

e. Closure strips: Closure strips shall be used wherever necessary, including at end panels for a weather tight building.

f. Attic Vents: 2 Turbine style and 2 Turtle style attic vents shall be provided and installed on roof.

Manufacture of lumber shall comply with PS 20 “American Softwood Lumber Standard” and with applicable grading rules of inspection agencies certified by American Lumber

Standards Committee’s (ALSC) Board of Review.

5. Miscellaneous Materials:

a. Provide size, type, material and finish of fasteners and anchors as indicated and as recommended by applicable standards, complying with applicable Federal Specifications for nails, staples, screws, bolts, nuts, washers, and anchoring devices. Provide metal hangers and framing anchors of the size and type recommended by the manufacturer for each use including recommended nails.

6. Installation:

a. Discard units of material with defects which might impair quality of work, and units which are too small to use in fabricating work with minimum joints or optimum joint arrangement.

b. Countersink nail heads on exposed work to substrate by anchoring and fastening as shown and as required by recognized standards.

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c. Use common wire nails. Use finishing nails for finish work. Select fasteners of size that will not penetrate members where opposite side will be tight connecting between members. Install fasteners without splitting of wood. Predrill as required.

d. Cabinetry shall be installed square, plumb, and according to manufacturer’s instructions.

7. Wood Furring:

a. Install plumb and level with closure strips at edges and openings. Shim with wood as required for tolerance of finished work.

9. Wood Framing, General:

a. Provide framing members of sizes and on spacings shown. Do not splice structural members between supports.

10. Stud Framing:

a. Provide stud framing of size and spacing indicated.

b. Construct corners and intersections with not less than 3 studs. Provide blocking and framing as required for support of facing materials, fixtures, cabinetry, trim, etc.

c. Frame openings with multiple studs and headers.

e. For non-bearing partitions, provide double-jamb studs and headers not less than 4” deep for openings 3” and less in width, and not less than 6” deep for wider openings.

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SECTION 0720

INSULATION

1. Description of Work:

a. Extent of insulation work is shown on drawings and indicated by provisions of this section.

b. Applications of insulation specified in this section include, but are not necessarily limited to, the following:

1. Blanket-type building insulation for interior partitions.

2. Building insulation.

2. Quality Assurance:

a. Thermal Resistivity: The R-value represents the rate of heat flow through a homogenous material exactly 1” thick, measured by the test method included in the referenced material standard or otherwise indicated. It is expressed by the temperature difference in degrees F between the two exposed faces required to cause one BTU to flow through one square foot per hour at the mean temperatures indicated.

b. Fire Performance Characteristics: Provide insulation materials which are identical to those whose fire performance characteristics, as listed for each material or assembly of which insulation is a part, have been determined by testing, per method indicated below, by UL or other testing and inspecting agency acceptable to authorities having jurisdiction.

1. Surface Burning Characteristics: ASTM E 84.

2. Fire Resistance Ratings: ASTM E 119.

3. Combustion Characteristics: ASTM E 136.

c. Asbestos-containing insulation is not acceptable.

3. Submittals:

a. Product data: Submit manufacturer’s product literature and installation instructions for each type of insulation and vapor retarder material required.

0720-1

b. Certified test reports: With product data, submit copies of certified test reports showing compliance with specified performance values, including R-values

(aged values for plastic insulations), densities, compression strengths, fire performance characteristics, perm ratings, water absorption ratings and similar properties.

4. Delivery, Storage, and Handling:

a. General Protection: Protect insulation from physical damage and from becoming wet, soiled, or covered with ice or snow. Comply with manufacturer’s recommendations for handling, storage and protection during installation.

b. Protection for Plastic Insulation:

1. Do not expose to sunlight, except to extent necessary for period of installation and concealment.

2. Protect against ignition at all times. Do not deliver plastic insulating materials to project site ahead of installation time. Complete installation and concealment of plastic materials as rapidly as possible in each area of work.

5. Products:

a. Manufacturers: Subject to compliance with requirements, manufacturers offering products which may be incorporated in the work include, but are not limited to, the following:

1. Glass Fiber Blanket Insulation

2. Certain-Teed Corp

3. Manville Corp

4. Owens-Corning Fiberglas Corp

5. Forty-Eight Insulations, Inc.

6. Insulating Materials:

a. Provide insulating materials which comply with requirements indicated for materials, compliance with referenced standards, and other characteristics.

Sizes to fit applications indicated, selected from manufacturer’s standard thickness, widths and lengths.

0720-2

b. Fiberglass Blanket Insulation: FS HH-I-521, Type I: semi-rigid mineral fiber blanket without membrane; Class 25 flame spread, K value of 0.25; designed for use with Z-furring members, of thickness and width to completely fill void formed by Z-furring members; density shall be 1.0 lb per cu. ft. Moisture adsorption shall be <1.0% by weight.

c. Surface Burning Characteristics: Maximum flame spread and smoke developed values of 25 and 50, respectively.

7. Auxiliary Insulating Material:

a. Adhesive for Bonding Insulation: Type recommended by insulation manufacturer and complying with requirements for fire performance characteristics.

b. Mechanical Anchors: Type and size indicated or, if not indicated as recommended by insulation manufacturer for type of application and condition of substrate.

8. Inspection and Preparation:

a. Installer shall examine substrates and conditions under which insulation work is to be performed. A satisfactory substrate is one that complies with requirements of the section in which substrate and related work is specified. Obtain installer’s written report listing conditions detrimental to performance of work in this section. Do not proceed with installation of insulation until unsatisfactory conditions have been corrected.

b. Clean substrates of substances harmful to insulation.

9. Installation, General:

a. Comply with manufacturer’s instructions for particular conditions of installation in each case. If printed instructions are not available or do not apply to project conditions, consult manufacturer’s technical representative for specific recommendations before processing with work.

b. Extend insulation full thickness as shown over entire area to be insulated. Cut and fit tightly around obstructions, and fill voids with insulation. Remove projections which interfere with placement.

c. Apply a single layer of insulation of required thickness, unless otherwise shown or required to make up total thickness.

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10. Installation of General Building Insulation:

a. Apply insulation units to substrate by method indicated, complying with manufacturer’s recommendations. If no specific method is indicated, bond units to substrate with adhesive or use mechanical anchorage to provide permanent placement and support of units.

11. Protection:

a. General: Protect installed insulation from harmful weather exposures and from possible physical abuses, where possible by non delayed installation of concealing work or, where that is not possible, by temporary covering or enclosure.

0720-4

SECTION 0790

JOINT SEALERS

a. This section includes joint sealers for interior and exterior vertical and horizontal surfaces in masonry, metals, concrete, and other materials as indicated or as stated herein.

b. Provide joint sealers that have been produced and installed to establish and maintain watertight and airtight continuous seals.

2. Submittals:

a. Product data from manufacturers for each joint sealer product required, including instructions for joint preparation and joint sealer application.

b. Certificates from manufacturers of joint sealers attesting that their products comply with specification requirements and are suitable for the use indicated.

3. Quality Assurance:

a. Installer Qualifications: Engage an installer who has successfully completed within the last 3 years at least 3 joint sealer applications similar in type and size to that of this project.

b. Obtain joint sealer materials from a single manufacturer for each different product required.

4. Delivery, Storage, & Handling:

a. Deliver materials to project site in original unopened containers or bundles with labels informing about manufacturer, product name and designation, color, expiration period for use, pot life, curing time and mixing instructions for multi component materials.

b. Store and handle materials in compliance with manufacturers’ recommendations to prevent their deterioration or damage due to moisture, high or low temperature, contaminants, or other causes.

5. Project Conditions:

a. Do not proceed with installation of joint sealers under the following conditions:

0790-1

1. When ambient and substrate temperature conditions are outside the limits permitted by joint sealer manufacturer or below 40 deg F (4.4 deg C).

2. When joint substrates are wet due to rain, frost, condensation, or other causes.

b. Do not proceed with installation of joint sealers where joint widths are less than allowed by joint sealer manufacturer for application indicated.

c. Do not proceed with installation of joint sealers until contaminants capable of interfering with their adhesion are removed from joint substrates.

6. Products:

Provide joint sealers, joint fillers and other related materials that are compatible with one another and with joint substrates under conditions of service and application, as demonstrated by sealant manufacturer based on testing and field experience. Provide color of exposed joint sealers indicated or, if not otherwise indicated, as selected by

Contracting Officer from manufacturer’s standard colors.

a. Sealants:

1. Interior Sealant: ASTM C 834 Type S or M, Grade NS, Class 12.5, use

NT. Where exposed, sealant color shall match color of adjacent surface.

2. Exterior Sealant: For joints in vertical surfaces, provide ASTM C 920, Type S or M, Grade NS, Class 25, use NT. For joints in horizontal surfaces, provide ASTM C 920, Type S or M, Grade P, Class 25, use T. Where exposed, sealant color shall match color of adjacent surfaces.

3. Manufacturer for interior and exterior sealant shall be Sonneborn, Dow

Corning, or equal. Sealants shall be one part, gun grade.

c. Joint Sealant Backing:

1. Provide sealant backings of material and type which are nonstaining, are compatible with joint substrates, sealants, primers and other joint fillers, and are approved for applications indicated by sealant manufacturer based on field experience and laboratory testing.

2. Plastic Foam Joint Fillers: Preformed, compressible, resilient, nonwaxing, nonextruding strips of flexible, nongassing plastic foam of material indicated below; nonabsorbent to water and gas; and of size, shape and density to control sealant depth and otherwise…