Attachment__2_Complete_Specification.pdf

AG-32SD-S-13-0005

BID SCHEDULE

ITEM NO DESCRIPTION AMOUNT

BASIC BID For furnishing labor, supervision, material, tools, equipment, transportation, etc., necessary to install fence, gates, concrete floor, lights, waterers, vent doors, overhead doors, to paint structural steel, and to replace half of the metal roof and wall “sheeting” in a 40’ x 400’ pre engineered metal building, Bldg. #45-25 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 attached specifications and drawings. In order to be awarded the project, contractor must be registered and active in the

System for Award Management (SAM:

http://www.acquisition.gov/SAM_Guides/index.html).

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

ADD ITEM 01

Bidder shall state amount to be added to Basic Bid to install 10’ x 400’ x 5-1/2” of additional concrete floor in the building as shown on the drawings.

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

ADD ITEM 02

Bidder shall state amount to be added to Basic Bid to install 14’ x 262’ x 5-1/2” of concrete for east alley as shown on the drawings.

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

ADD ITEM 03

Bidder shall state amount to be added to Basic Bid to install downspouts and gutters as shown on the drawings.

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

ADD ITEM 04

Bidder shall state amount to be added to Basic Bid to paint fence posts and top rail of all fence as shown on the drawings.

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

ADD ITEM 05

Bidder shall state amount to be added to Basic Bid to install ridge vents as shown on the 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 – EQUIPMENT

0220 – EXCAVATION, BACKFILL, & GRADING

DIVISION 3 – CONCRETE

0330 – CONCRETE

DIVISION 5 - METAL

0550 – FENCES & GATES

DIVISION 7 – THERMAL & MOISTURE PROTECTION

0790 – JOINT SEALERS

DIVISION 8 – DOORS & WINDOWS

0830 – SECTIONAL OVERHEAD DOORS

0840 – VENT DOORS

DIVISION 9 – FINISHES

0990 – PAINTING

DIVISION 13 – SPECIAL CONSTRUCTION

1360 – METAL BUILDING

DIVISION 15 – MECHANICAL

1505 – PLUMBING

1540 – CATTLE WATERERS

DIVISION 16 – ELECTRICAL

1605 – ELECTRICAL SYSTEMS

DIVISION 1

SECTION 0101

SUMMARY OF WORK

The work consists of providing all labor, material, tools, and equipment for the renovation of Bldg. #45-25. This is to include the painting of structural steel, the installation of concrete, waterers, fence, lights, overhead doors, vent doors, etc.

This work shall include but shall not be limited to the following:

1. Installation of an approximate 43’ x 400’ x 5-1/2” concrete floor.

2. Painting of all structural and framing steel with one coat of primer and one topcoat.

3. Installation of over 1,415 L.F. of sucker rod/top rail fence and over 1,000 L.F. of gates as shown on the drawings.

4. Replacement of eight bays of roof and wall panels, skylights and associated material including trim pieces, closure, as shown on the drawings.

5. Installation of 4 cattle waterers.

6. Installation of 32 – 2’ x 7’ sectional vent doors on the north wall of the building.

7. Installation of 4 new overhead doors on the east and west ends of the building. This consists of moving 1 existing overhead door opening and creating 1 new overhead door opening on each end.

8. Replacement of eave strut as shown on the drawings.

9. Replacement of base plate and purlins as shown on the drawings.

10. Installation of a 10’ x 400’ x 5-1/2” thick concrete slab in the bldg. (Add Item 01).

11. Installation of a 14’ x 262’ x 5-1/2” thick concrete slab for the east alley (Add Item 02).

12. Installation of downspouts and gutters (Add Item 03).

13. Painting of fence posts and top rail (Add Item 04).

0101-1

14. Installation of 16 ridge vents (Add Item 05).

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 Building Components x x

c. Paint x

d. Gates and Fencing x

e. Light Fixtures x x

f. Breakers, Disconnects, & Other x

Items under Sec. 16

g. Pipe, fittings, valves x

h. All items mentioned in x Division 15

i. Overhead & Vent Doors x x

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.

0101-2, 0130-1

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 his or her own toilet facilities for his personnel as approved by the Contracting Officer’s Representative (COR).

4. Access to Property:

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

5. Protection of Existing Facility:

a. Contractor shall protect the existing Facility from damage during construction. If damage occurs it shall be repaired by the Contractor at the Contractor’s expense.

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.

0160-1

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, 8:00 AM to 4:30 PM, except for

Holidays. Contractors shall be off the premises by 4:30 PM.

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, 0180-1

* End of Section

SECTION 0220

EXCAVATION, BACKFILL, AND GRADING

1. General:

a. This section covers excavation, filling, compaction, and grading of soil within and around Bldg. #45.

2. Excavation:

a. Excavations shall be kept free of water at all times. Diversion ditches or dewatering systems shall be provided to maintain a dry condition below the level of all excavations.

b. Adjacent buildings, pavements, utilities and grades shall be protected during excavation work.

c. Utility lines existing or constructed during excavation and backfilling, if damaged, shall be repaired at the Contractor’s expense. It is the contractor’s responsibility to locate all underground utilities.

3. Backfilling:

a. Backfilling shall commence after permanent installations are approved by the COR. Excavations shall be free of forms and debris. Backfill shall be of material as described below and shall not be placed on muddy or frozen areas.

b. Backfill material below grade shall be clay as brought to site by owner.

c. Backfill material shall be uniformly spread in horizontal layers of not more than

6 inches deep before compaction. Each layer shall be compacted to the percent of maximum density obtained at optimum moisture content as determined by the current issue of A.S.T.M. D1557, method D. Backfill shall be compacted to not less than 95 percent standard proctor density.

4. Compaction:

a. Fill and backfill shall be compacted by power operated mechanical equipment.

Compaction requirements shall be as specified under “Backfilling”.

0220-1

b. Power operated mechanical equipment for spreading and compacting backfill shall not be operated closer to foundation walls than a distance equal to the height of backfill above the top of footing. Areas shall be compacted by power driven hand operated equipment where other equipment cannot be operated.

5. Grading:

a. Grades shall be uniform levels or slopes between elevation points or between elevation points and existing finish grades.

b. Material shall be placed in evenly distributed layers over the entire area. Layers shall be spread and compacted in lifts of 8 inches or less.

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.

0330-1

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

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.

0330-2

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.

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.

0330-3

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.

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.

0330-4

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:

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.

0330-5

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.

2. Extend wire fabric across control 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.

0330-6

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.

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.

0330-7

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.

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 strikeoff. 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.

0330-8

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 (Tupe D) when required by high temperatures, low humidity, or other adverse placing conditions.

10. Finish of Formed Surfaces:

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:

0330-9

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 heavy broom finish to cattle areas and light broom finish on drive alley as shown on the drawings.

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.

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:

0330-10

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.

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.

0330-11

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:

a. Owner will have access to concrete for the purpose of employing a testing laboratory to perform material evaluation tests. Testing shall include the following information:

0330-12

Concrete Type Ticket No.

Class, psi Identification, laboratory Mix No. Identification, field Coarse agg, lb Date cast Fine agg, lb Date received at laboratory Cement, lb Date tested Total water, gal Days cured in field Admixture, type Days cured in laboratory Admixture, quantity Age of test, days Cement factor, sk/yd3 Weight when received, lb Water-cement ratio, gal./sk Length of specimen, in.

Slump, in. Diameter of specimen, in.

Weight per cubic foot, lb Cross-sectional area, in.2 Air content, % Maximum load, lb Temperature of concrete, F Type of fracture Required strength, psi

b. 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.

c. Concrete Test Specimens: During the progress of the work, compression tests specimens shall be made by owner 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.

0330-13

SECTION 0550

FENCES & GATES

a. The fencing and gate layout shall be as indicated on the drawings. Fencing shall be made of steel pipe, sucker rod, clips, and caps.

b. Fencing and gates shall include all posts, rails, gates, caps, etc., and associated hardware for a complete cattle containment and handling system and as required for a safe secure system.

c. Sizes for posts shall be as specified below unless indicated otherwise on the drawings.

2. Quality Control/Painting:

a. Damaged or defective materials shall be replaced by contractor at contractor’s expense.

b. All piping materials shall be free of rust, oil, mill scale, etc., ready to be primed and painted. Sucker rod shall not be accepted if the diameter has decreased more than 1/16” from the original diameter

c. All pre-painted gates shall be touched-up after installation with manufacturer’s original color and quality of paint. Panels which are required on gates shall be painted with a prime coat and top coat of best quality paint with color to match manufacturer’s painted gate color. Welded-on gusset plates and hinges shall also be painted.

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:

0550-1

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. Gates & Fencing:

1. Gates shall be a heavy duty classic gate with lever latch, 52” high as manufactured by Powder River to match existing feedlot gates.

2. Gate posts shall be either 4” nominal, schedule 40 new steel pipe size tubing or 6” nominal, schedule 40 new steel pipe size tubing as shown on the drawings. All gate posts shall be 9’ long with 5’ above grade as shown on the drawings.

3. Unless shown otherwise, corner posts shall be 4” nominal, schedule 40 new pipe size steel tubing, 9’ long with 5’ above grade as shown on the drawings.

4. Intermediate posts shall be 2-1/2” nominal, schedule 40 new pipe size steel tubing, 9’ long with 5’ above grade as shown on the drawings.

5. Top rail shall be 2” nominal, schedule 40 new pipe size steel tubing.

6. Horizontal members of standard fence below top rail shall be 7/8” oilfield sucker rod with threaded ends.

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.

0550-2

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.

5. Welds shall be uniform, continuous & free of holes.

6. Welding shall conform to ASME/ANSI B31.9.

7. Electrodes shall comply with AWS Code.

h. Shop Assembly: Pre-assemble 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 re-assembly and coordinated installation.

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

5. Pipe Fencing:

a. General: Fabricate items to comply with requirements indicated for design, dimensions, details, finish, and member sizes, including wall thickness of pipe, post spacing, and anchorage. Weld all connections. Weld full perimeter at butted joints.

6. Finishes, General:

a. Comply with NAAMM “Metal Finishes Manual” for recommendations relative to application and designations of finishes.

b. Finish metal fabrications after assembly.

7. Steel & Iron Finishes:

a. Paint all pipe fencing (posts and top rail) in accordance with Section 0990 interior/exterior painting.

0550-3

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, 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.

c. For painted surfaces clean welds, bolted connections and abraded areas and apply repair paint to comply with Section 0990.

d. Gates & Fencing:

1. Install posts by driving into ground 1’ and then filling around post with 3’ of concrete as shown on the drawings. Maximum post spacing shall be 8’-0”.

Contractor shall be responsible for proper spacing of posts for installation of gates. Jigs shall be used to install gate posts to insure all gates will mechanically latch with lever latch to pen latching post or alley latching post as applicable. Steel dome caps shall be welded complete to all posts which do not have a top rail. Holes for gate lever latches shall be reasonably neat and of adequate size to compensate for gate latch movement due to changes in temperature. Gate latch device shall penetrate post a minimum of one inch.

2. Install gates per manufacturer’s recommendations and as stated herein. All gates unless otherwise noted shall be welded to posts with 270 degree gate hinge adapters as manufactured by Powder River, or equal. Some gates shall require additional hinge adapters as shown on the drawings. Gussett plates and chain (36”) shall be supplied and installed on all gates as a secondary means to latch gates as shown on the drawings. All gates shall latch to posts without the use of any modifications to gate or post and in addition to chain.

3. Top Rail: Install top rail by notching posts using template and welding as shown on the drawings. Top rail shall be true to line and level and shall be level with adjacent top rail. Top rail shall be connected by butt welding.

Screwing top rail together is not acceptable. String lines shall be used both north-south and east-west to set the top rail height between measured post heights. String shall be run continuous across the top of waterers in setting post heights. Methods described herein to set post heights shall be approved by the contracting officer’s representative.

0550-4

4. Sucker Rod: Screw sucker rod together and attach to posts with 7/8” clips as shown on the drawings. If sucker rod cannot be screwed completely together, it shall be welded at those points. Jigs shall be used for proper sucker rod spacing. Where sucker rod terminates at posts, a sleeve will be welded to post with the sucker rod inserted into sleeve as shown on the drawings.

5. All fencing, posts, gates, etc. shall be installed in a neat and workmanlike manner, true to line and appearance by workmen skilled in this type of work.

Welders shall have a minimum of 3 years experience in the installation of feedlot sucker rod fencing similar to that required for this project. Contractor shall also have installed a minimum of 25,000 feet of this type of fencing.

5. Cleanup:

a. Contractor shall pick up all waste fencing materials on a regular basis. This includes sucker rod, pipe, welding rod, etc.

0550-5

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:

0790-1

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

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.

0790-2

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 contribute to producing optimum sealant performance.

a. Either open-cell polyurethane foam or closed-cell polyethylene foam, unless otherwise indicated, subject to approval of sealant manufacturer, for cold-applied sealants only.

3. Bond-Breaker Tape: Polyethylene tape or other plastic tape as recommended by sealant manufacturer for preventing sealant from adhering to rigid, inflexible joint filler materials or joint surfaces at back of joint where such adhesion would result in sealant failure. Provide self-adhesive tape where applicable.

d. Miscellaneous Materials:

1. Primers: Provide a nonstaining, quick-drying type with consistency recommended by the sealant manufacturer for the particular application.

2. Cleaners: Provide nonstaining, chemical cleaners of type which are acceptable to manufacturers of sealants and sealant backing materials, which are not harmful to substrates and adjacent nonporous materials, and which do not leave oily residues or otherwise have a detrimental effect on sealant adhesion or in-service performance.

3. Masking Tape: Provide nonstaining, nonabsorbent type masking tape compatible with joint sealants and surfaces adjacent to joints.

7. Execution:

Examine joints indicated to receive joint sealers, with installer present for compliance with requirements for joint configuration, installation, tolerances and other conditions affecting joint sealer performance. Do not proceed with installation of joint sealers until unsatisfactory conditions have been corrected.

a. Preparation:

1. Do not add liquids, solvents, or powders to the sealant. Mix multicomponent elastomeric sealants in accordance with manufacturer’s instructions. Clean out joints immediately before installing joint sealers to comply with recommendations of joint sealer manufacturers and the following requirements:

0790-3

a. Remove all foreign material from joint substrates which could interfere with adhesion of joint sealer, including dust; paints, except for permanent, protective coatings tested and approved for sealant adhesion and compatibility by sealant manufacturer, old joint sealers, oil, grease, waterproofing, water repellent, water, surface dirt, and frost.

b. Clean concrete, masonry, unglazed surfaces of ceramic tile and similar porous joint substrate surfaces, by brushing, grinding, blast cleaning, mechanical abrading, or a combination of these methods to produce a clean, sound substrate capable of developing optimum bond with joint sealers.

Remove loose particles remaining from above cleaning operations by vacuuming or blowing out joints with oil-free compressed air.

c. Remove laitance and release agents from concrete.

d. Clean metal, glass, porcelain enamel, glazed surfaces of ceramic tile; and other nonporous surfaces of ceramic tile; and other nonporous surfaces by chemical cleaners of other means which are not harmful to substrates or leave residues capable of interfering with adhesion of joint sealers.

2. Prime joint substrates where indicated or where recommended by joint sealer manufacturer based on pre construction joint sealer-substrate tests or prior experience. Apply primer to comply with joint sealer manufacturer’s recommendations. Confine primers to areas of joint sealer bond. Do not allow spillage or migration onto adjoining surfaces.

3. Use masking tape where required to prevent contact of sealant with adjoining surfaces which otherwise would be permanently stained or damaged by such contact or by cleaning methods required to remove sealant smears. Remove tape immediately after tooling without disturbing joint seal.

b. Installation of Joint Sealers:

1. Comply with joint sealer manufacturer’s printed installation instructions applicable to products and applications indicated, except where more stringent requirements apply.

2. Elastomeric Sealant Installation Standard shall comply with recommendations of ASTM C 962, for use of joint sealants as applicable to materials, applications and conditions indicated.

3. Installation of Sealant Backings: Install sealant backings to comply with the following requirements:

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