CSI_SPECIFICATIONS-Rev.docx

INDEX TO SPECIFICATIONS (CSI)

SECTION 00100

MEASUREMENT AND PAYMENT

PART I - GENERAL

1.01 Measurement and Payment - Measurement and payment for FACILTY contract work will be made only for and under pay items included in the SCHEDULE OF ITEMS-FACILITITES.

(Items not covered below area covered under the FP-03 Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, see SCHEDULE OF ITEMS –ROADS.)

All other work and materials not shown in either Road or Facility Schedules will be considered as included in the payment for items shown.

1.02 Methods of Measurement - One of the following methods of measurement for determining final payment is DESIGNATED on the SCHEDULE OF ITEMS for each pay item:

A. Contract Quantities (CQ) - These quantities denote the final number of units to be paid for under the terms of the contract. They are based upon the original design data available prior to advertising the project. Original design data include the preliminary survey information, design assumptions, calculations, drawings, and the presentation in the contract. Changes in the number of units SHOWN in the SCHEDULE OF ITEMS may be authorized under any of the following conditions:

1. As a result of changes in the work authorized by the Contracting Officer.

2. As a result of the Contracting Officer determining that errors exist in the original design data used to determine designed quantities, that cause a pay item to change by 15 percent or more.

3. As a result of the Contractor submitting to the Contracting Officer a written request showing evidence of errors in the original design data used to determine design quantities that cause a pay item total to change by 15 percent or more. The evidence must be verifiable and consist of calculations, drawings, or other data that show how the designed quantity is believed to be in error.

B. Staked Quantities (SQ) - These quantities are determined from staked measurements prior to construction.

C. Actual Quantities (AQ) - These quantities are determined from measurements of completed work.

D. Vehicle Quantities (VQ) - These quantities are measured or weighed in hauling vehicles.

E. Lump Sum Quantities (LSQ) - These quantities denote one complete unit of work as required by or described in the contract, including necessary materials, equipment, and labor to complete the job. They will not be measured.

1.03 BASE PAY ITEMS

1. Demolition Near Wekuvde –Completely remove existing traffic control device and gate as described in Section 02005. Pay item includes backfill of post holes, compacted base and asphalt patch of road.

Measurement and Payment – LSQ

2. Concrete Valley Gutter (6” depth) – work as SHOWN ON DRAWINGS to construct concrete valley gutter. Includes 6” base course, rebar and forming.

Measurement – Square Yard (AQ), design, in place Payment – square yards of concrete valley gutter complete in place

3. Rip Rap (Machine Placed) - work described in Section 02204 and SHOWN ON DRAWINGS to place rip rap.

Measurement – Cubic Yard (AQ), Payment – Cubic Yard of rip rap placed to specified depth

4. Boulder – work as SHOWN ON DRAWINGS to furnish and install in location as SHOWN ON DRAWINGS or as designated by COR.

Measurement – Each (AQ) Payment – each installed boulder

5. Double Metal Gate –work as SHOWN ON DRAWINGS to install a double lane closure gate salvaged from Wekuvde demolition.

Measurement – Each (AQ) Payment –installed gate

6. Traffic Spikes– work as described in spec 10210 to furnish and install four 3’ sections of traffic Spikes in location as SHOWN ON DRAWINGS.

Measurement – Lump Sum Quantity (LSQ)

PART II - PRODUCTS (Not Applicable)

PART III - EXECUTION (Not Applicable)

END OF SECTION

SECTION 01020

QUALITY CONTROL

PART 1 - GENERAL

SUMMARY

This work shall consist of providing quality control in conformance with the Inspection of Construction provisions of this contract to ensure compliance with the drawings, specifications, and provisions of the contract; measuring the quantities of completed work in conformance with the provisions of the applicable specification; and actual construction surveying and layout of site and structural features in conformance with plans and specifications. The Contractor shall provide all personnel, equipment, tests, and reports necessary to meet the requirements of this specification. Work shall also include materials sampling and testing.

PART 2 - PRODUCTS – (NOT APPLICABLE)

PART 3 – EXECUTION

QUALITY CONTROL

The contractor shall provide and maintain a quality control system that will ensure that all services, supplies, and construction required under this contract conform to the contract requirements. The contractor shall perform, or cause to be performed, the sampling, inspection, and testing required to substantiate that all supplies, services, and construction conform to the contract requirements.

Quality Control Plan:

The Contractor shall submit, in writing, to the Contracting Officer, the following:

Name of the qualified testing laboratory retained for this project, including authorities and responsibilities of inspection and testing personnel.

Experience and qualifications of inspection and testing personnel to be assigned and name and location of any (for hire) testing facility to be used.

A list of Tests or Inspections each inspector will be responsible to make or perform.

A list of Tests or Inspections each testing facility or company will be responsible to make or perform.

Qualified Testing Laboratory: engage independent inspection and testing services from firms regularly engaged in construction inspection. Firms shall be pre-qualified as complying with the recommendations published in "Independent Laboratory Qualification" by the American Council of Independent Laboratories.

Approval of Quality Control Plan:

The Contractor's proposed quality control plan for all items requiring quality control shall be submitted to the Contracting Officer for review and approval prior to the contractor commencing work.

Within 7 working days of receipt of plan, the Contracting Officer shall notify the Contractor whether the plan adequately covers quality control requirements.

Construction work shall not be performed prior to contractor's receipt of written approval of the proposed plan.

The Contractor shall submit to the Contracting Officer, in writing, any proposed changes in the approved quality control plan.

If changes in the work shown on the original contract drawings and specifications are necessary, they shall be brought to the attention of the Contracting Officer. Proposed changes shall not be put into effect until approved in writing by the Contracting Officer.

The quality-control engineer shall attend the pre-work conference, along with the Contractor, and be prepared to discuss quality control details.

SAMPLING, TESTING, INSPECTION

The Contractor shall provide and maintain appropriate measuring and testing devices, equipment, and supplies to accomplish the required measurement, testing, and inspection in a timely manner. Tests, measurements, and certifications shall be made as required by the drawings and specifications. The Contractor shall take samples and perform inspections and tests necessary to achieve the quality of construction required by the contract and make required measurements of work under this contract performed onsite or offsite. The quality control engineer or designated inspector(s) shall also take measurements necessary to verify the quantity, dimensions, location, elevations, alignment and plumbness of work under this contract, whether performed onsite or offsite.

Sampling and testing frequency for road and trail specific items shall be as shown below. Utility and structure testing is as specified in the sections relating to those items.

The Contracting Officer shall be notified at least 24 hours in advance of each test unless specified otherwise for other sections of this contract.

The Contractor shall stop work on any item or feature, pending satisfactory correction of any deficiency noted by his quality control staff or by the Contracting Officer. Construction shall not proceed upon any feature of work containing uncorrected work.

The quality-control engineer and designated inspector(s) shall have a copy of the contract drawings and specifications at the jobsite at all times where and when quality control work is being conducted.

RECORDS OF INSPECTION, TESTS

Inspection and Tests:

The Contractor shall maintain current records of all inspections and tests performed. The following format or one containing the following information will be acceptable to the Government:

Granite Basin Night Exit__________ Contract No.___________________

Test By_______________________

The contractor shall certify in writing that all inspections and tests were performed in accordance with specifications.

Copies of test results shall be submitted in writing, to the Contracting Officer, not later than three calendar days after performing the test and shall include test results and certifications.

CERTIFICATIONS

Offsite Produced Materials:

The contractor shall furnish certificates executed by the manufacturer, supplier, or vendor, stipulating that all offsite produced materials incorporated into the work meet the applicable requirements shown on the drawings or stated in the specifications.

Incidental purchases needed to remedy minor shortages of material shall be certified by the Contractor.

END OF SECTION

SECTION 01500

CONSTRUCTION FACILITIES AND TEMPORARY CONTROLS

PART I - GENERAL

1.01 Scope – This section specifies facilities and utilities for use during the contract. It also specifies temporary work, safety, permits necessary and coordination controls.

1.02 Facilities – Existing Government facilities and utilities are available as indicated below.

A. Temporary electricity – There is NO electrical at the site.

B. Temporary telephone – no landline phone service is available at the project site. Cell phone coverage is spotty.

C. Temporary water –

1. Potable water at site hydrants is available at Cayuse Day Use only for contract use at normal hydrant flow and pressure (5 GPM, 20-40 psi). This water source is intended for general purpose use during construction, such as drinking, mixing mortar, clean up and small quantities of water for earthwork (less than 500 gallons per day). It is not intended for large quantities of water for earthwork.

2. Water for compaction may be pumped from Granite Basin Lake. Access is from the Boat Launch Day Use Area.

D. Temporary sanitation – None at the site but the vault toilet may be used at the Cayuse Day Use site when working in this area.

E. Temporary solid waste disposal – the Contractor shall provide solid waste disposal for any waste generated due to contract work or Contractor occupancy at the site. Existing dumpsters in the Granite Basin Recreation Area shall not to be used for waste disposal by Contractor.

F. Temporary office – the Contractor, at their option, may place one mobile, temporary office at the project site in a location approved by the COR.

G. Temporary storage and laydown space – there is no designated storage space at the site. Space may be utlized as needed and approved by the COR. Storage and laydown shall be located and used so as to not damage existing improvements, vegetation and ground surface.

H. Fuel and oil storage – no bulk petroleum products shall be stored at the project site.

I. Temporary camping – Contractor personnel may utilize one campsite in Yavapai Campground, (½ mile from the project site. area of the site) for camping free of charge during the contract. One recreational vehicle (self-contained travel trailer or motor home) and two passenger vehicles will be allowed for overnight stay.

1.03 Controls –Granite Basin Recreation Area is located just outside the city limits and is a heavily used public recreation area. Emphasis will be placed on the safety of the public and Contractor personnel and on protecting the Contractor’s work.

A. Recreation Area to Remain Open - At the construction site the Contractor will be responsible for supplying and maintaining any signs necessary to keep the public out of the construction area.

The Cayuse Day Use Area will remain open to the public.

B. Security – the Contractor is responsible for securing equipment and contract work against theft and vandalism. Forest Service and County Sheriff’s Office law enforcement personnel are available to assist with security. The existing closure gate and traffic control device (approximately ½ mile north of the project site) shall remain in place until the completion of this construction project. The gate is locked daily from dusk to dawn.

C. Excavation and work zone barriers – all open excavations shall be barricaded for the safety of contract personnel, vistors and the wandering public. Work zones shall be delineated and marked to adequately warn visitors from operating equipment and hazardous conditions. The Contractor is responsible for providing barrier materials and maintaining barriers such as temporary barricades, barrier tape, curbs, etc., at excavations and work zones.

D. Work limits – ground disturbance and equipment shall be confined to the minimal area of work. The Contractor is responsible for establishing the work limits and marking or otherwise communicating the limits to Contractor personnel.

E. Fire protection – refer to contract Section J for Fire Plan requirements that determine Contractor responsibility for measures and equipment to prevent fires, work restrictions during fire danger, and assistance to be rendered in case of fire.

F. Recreation area use restrictions – Contractor personnel shall adhere to all recreation area restrictions including: off-hour noise, pets, firearms, etc., as posted.

G. Equipment Washout – washing equipment used for concrete or mortar mxing and delivery at the project site shall not be to open ground or on pavement. Washout will be at approved locations to an earthen sump pit especially prepared to accept and settle cementatious materials. Material in the pits will be removed and properly disposed off the project site as part of project close-out. Backfill the pits with native material, compact and handrake area as final clean up.

H. Clean up – the Contractor shall remove all temporary facilities and restore prior conditions as part of project closeout. Any damage to existing improvements shall be repaired at the Contractor’s expense. Any disturbance to soil and vegetation outside of work limits caused by the Contractor shall be restored or mitigated according to direction from the COR.

I. Traffic Control- Access to Granite Basin Lake shall remain open during construction. Road may be closed for short periods (up to 15 minutes) as necessary with appropriate traffic control.

1.03 Permits- Contractor is responsible for obtaining and abiding by the conditions of the any necessary permits.

1.04 Location of Underground Features – The Contractor is responsible for locating existing underground features including footings and utility lines. Utilize Blue Stake services and the assistance of the COR for locating features prior to any ground disturbing activity. Address of Cay Use Day Use area is 4675 Granite Basin Road.

1.05 Designated Waste Areas – Excess cut material shall be taken to Cayuse Day Use Area within 1000’ of the project area. Vegetative material shall be deposited at project site west of construction area, as designated by COR.

1.07 Contracting Officer’s Representative (COR) - The COR is a Forest Service official designated by the Contracting Officer to perform day-to-day contract administration, including site inspections for quality assurance. References in these specifications to Owner’s Representative, Owner, or Engineer should be considered to mean the COR.

PART III - EXECUTION (Not Applicable)

SECTION 02005

DEMOLITION

PART I - GENERAL

1.01 Scope – Work specified includes demolition, removal and disposal of existing structures, including, but not limited to the following:

· Traffic Control Device near Wekuvde Picnic Area-Demolition.

Remove all metal parts of device and plates that cover it in the daytime. Remove the concrete box around the structure 13’-6”x 2’4”x 6”. Dispose of all materials removed off Forest land. In area where structure was removed, backfill and compact subgrade, place 6” depth compacted Aggregate Base and patch with 3” depth asphalt.

· Existing Double Lane Road Gate-Salvage.

Remove existing gate and posts. Remove footer concrete from gate posts and dispose of off Forest. Backfill and compact post holes. Transport salvaged gate to project location and install as shown on the drawings.

1.02 Controls – Items for demolition shall be verified with COR before demolition work begins. Utilize markings in the field when necessary to clearly communicate items to be demolished and removed from the site.

1.03 Salvage – The Contractor shall salvage recoverable items during demolition work when designated for use on this project or designated to be stockpiled for Government use. Protect salvage material and equipment from damage and degradation until incorporated in the work or until the Government takes delivery.

1.05 Location of Existing Underground Utilities – When demolition requires excavation, locate utilities through Blue Stake service and in coordination with COR. Request COR assistance in locating Owner utilities.

PART III – EXECUTION

3.01 Demolition - Completely demolish and remove those portions of existing features described in 1.01, including all appurtenances related or connected thereto.

3.02 Disposal - Debris, including brick, concrete, asphalt, metals, oversize rock, roots, and similar materials shall be disposed of by the contractor off the project site at an approved facility.

3.03 Protection - Perform demolition in such manner as to eliminate hazard to persons and property; to minimize interference with the use of adjacent areas, utilities and structures or interruption of use of such utilities; and to provide free passage to and from such adjacent areas or structures. Coordinate pedestrian and vehicle circulation with the COR prior to start of demolition.

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

Prevent spread of flying particles and dust. Sprinkle rubbish debris with water to keep dust to minimum.

3.06 Clean Up - On completion of work of this section and after removal of all debris, the site shall be left in a clean condition satisfactory to the COR. Clean-up shall include off the project site disposal of all items and materials not required to remain property of the Owner, as well as all debris and rubbish resulting from demolition operations.

3.07 Salvage – Salvage items indicated on the drawings, specified in this Section or identified by the Owner. Store items on the project site in a location designated by the COR.

SECTION 02204

LOOSE ROCK RIP RAP

PART I - GENERAL

1.01 Scope - This item shall consist of furnishing and placing a protective covering of stone on slopes and other areas to be protected, in accordance with these specifications, as SHOWN ON DRAWINGS and to the lines and grades established.

1.03 Submittals – Submit samples or arrange a site visit for COR to view samples. Secure COR approval of stone prior to delivery to site. If more than one source is utilized, submit samples from all sources.

PART II - PRODUCTS

2.01 Stone - The stone for this work shall be durable, angular, field, or quarry stone which is sound and hard. It shall be of such quality that it will not disintegrate during handling or on exposure to water or weathering.

A. Color and texture – rip rap stone is intended to match the color and general texture of natural occurring rock at the project site.

C. Uniformity – material shall be uniform in color, texture, size, gradation and general appearance throughout the site when placed.

2.02 Source – Rip rap shall be obtained from a private or commercial source at the Contractor’s option.

PART III – EXECUTION

3.02 Placing Rip Rap - The stones shall be placed or dumped on the approved slope and in the trench to form the cross section and cover the area desired. They shall be manipulated sufficiently to secure a roughly regular surface and mass stability. Top of riprap shall be equal to or lower than the valley gutter outlet elevation.

3.03 Final Grading and Clean Up - When the rock rip rap is completed, the area shall be cleaned up by removing all debris and material not used. Material excavated from foundation trenches shall be graded against the toe of the rip rap, with excess material utilized elsewhere on site or otherwise satisfactorily disposed of.

END OF SECTION

SECTION 03200

CONCRETE REINFORCEMENT

PART I - GENERAL

1.01 Scope - This section specifies furnishing and placing of concrete reinforcing bars and mesh.

1.02 Referenced Codes and Standards - Fabricate and place reinforcement in accordance with the latest ACI Code requirements for reinforced concrete.

PART II – PRODUCTS

2.01 Reinforcing Bars - Deformed steel, ASTM A-615, Grade 40. Size as SHOWN ON DRAWINGS or indicated in other specifications.

2.02 Reinforcing Fabric - Welded wire mesh, ASTM A-185. Wire gage and mesh size shall be as SHOWN ON DRAWINGS or indicated in other specifications.

PART III – EXECUTION

3.01 Steel Placement - Secure reinforcement against displacement caused by construction loads or placing of concrete. Tie all bar intersections with annealed iron wire of not less than 16-gauge.

3.02 Support During Concrete Placement - Secure reinforcement against displacement caused by construction loads or placing of concrete. Tie all bar intersections with annealed iron wire of not less than 16-gauge. “Hooking” wire mesh to pull it into place during concrete placement will not be permitted. Reinforcing bars for structural slabs with formed bottoms shall be supported by galvanized or stainless steel chair supports.

3.03 Field bending and cutting - Field bending and cutting will be permitted if performed in accordance with the ACI Code. Field welding will not be permitted.

SECTION 03300

CONCRETE

PART I - GENERAL

1.01 Scope - This section specifies cast-in-place concrete to be used for nonreinforced or reinforced applications.

1.02 Referenced Specifications - Section 03200 Concrete Reinforcement

1.03 Quality Assurance - Provide COR with a delivery ticket in accordance with ASTM C-94 for each load of concrete delivered to the job site.

PART II – PRODUCTS

2.01 Cement – Use only one brand of cement.

A. Type I or Type II portland cement - ASTM C-150.

B. Type III portland cement - ASTM C-150. For use at the Contractor's option under "Concrete for Cold Weather" and "Cold Weather Concreting and Curing" specifications of this Section.

2.02 Water - Potable, suitable for domestic consumption.

2.03 Aggregate - ASTM C 33, "Specifications for Concrete Aggregate", Size Number 467.

2.04 Admixtures -

A. Air-entraining admixtures: ASTM C-260.

B. Water-reducing, retarding admixtures: ASTM C-494, Type D. Water reducing, retarding admixtures may be used when approved by the COR. The time limit between batching and placing concrete may be extended up to an additional two hours. Use a quantity of admixture within the range of the manufacturer's recommendation. The amount of water may be reduced; other proportions shall remain the same. Furnish the following information to the COR for approval:

· Brand name of the admixture.

· Amount of admixture, per yd. of concrete to be used.

· Reason for requesting the use of the admixture.

2.05 Integral color – None

2.06 Membrane Curing Compound - ASTM C309.

2.07 Concrete Strength - The required strength of normal concrete (f'c) shall be 3,000 psi. Proportion concrete in accordance with ACI 318-77, Chapter 4, Article 4.3 within the limits below:

2.08 Nonshrink Concrete Slurry - As per YAG Standard Detail 2-01.

2.09 Concrete Grout – ASTM C476, fine type, with aggregate meeting ASTM C404; minimum compressive strength of 2000 psi.

2.10 Non-Shrink Grout – Pre-mix packaged commercial product meeting ASTM C1107, Grade A.

2.11 Concrete Mixing -

A. Plant batched and transit mixed - batch at a central plant and mix enroute to the project in transit mix trucks in compliance with ASTM C-94. (ASTM C 94 Sections 3 and 17 shall not apply).

Place concrete within a maximum of 90 minutes after introduction of cement into the batch. In hot weather or due to other contributing factors, a time less than 90 minutes may be required by the COR.

Time interval between placement of batches is not to exceed 30 minutes.

B. Plant batched and project mixed - batch aggregates at a central plant. Add water, cement, and admixtures at the project. Meet all requirements specified for transit mix. Add cement, water, and admixtures by accurate measurement, using measuring devices approved by the COR.

C. Project batched and mixed - batch and mix at project site. Batch quantities requiring fractional bags or less than one bag will not be allowed. Mix concrete a minimum period of 1-1/2 minutes after all materials are in the drum.

Methods and apparatus used to batch the design mix will be reviewed by the COR.

D. Hand mixed - hand mixing may be allowed upon written approval of the COR. Batches are not to exceed 1/2 cubic yard in volume.

E. Mix adjustments - water may be added once for purposes of acquiring minimum slump, provided the design mix water-cement ratio is not exceeded. For all project mixed concrete, water shall not be added later than 15 minutes from start of mixing. For truck mixed or agitated concrete, such water may be added upon arrival at the job site. Adding water beyond these conditions constitutes retempering which will not be allowed. When water is added, an additional 20 revolutions at mixing speed is required.

Air-entraining admixtures will not be added after the start of mixing to obtain minimum air content.

2.12 Concrete for Cold Weather - For concrete placed under "Cold Weather Concreting and Curing" specifications of this Section, the Contractor may elect to alter the required proportions in one of the following ways:

A. Use of Type III cement: Type III cement may be substituted in equal quantities for Type I or II cement.

B. Additional cement: An additional sack of Type I or Type II cement per cubic yard of mix may be added.

C. Concrete temperature limits - provide concrete having a minimum temperature of 50 F and a maximum temperature of 90 F at the time of placing. The temperature of the mixing water shall not exceed 140F. If aggregates are heated, heat uniformly with steam or water coil. Aggregate temperature shall not exceed 95 F. Aggregate water mix temperature shall not exceed 80 F. Do not use materials containing frost or icy lumps.

PART III – EXECUTION

3.01 Notification and Approval Prior to Placement - Notify COR a minimum of 24 hours prior to placement. Any formwork shall be approved by the COR prior to concrete placement.

3.02 Concrete Placement - Place concrete in the forms as near final position as practical in a manner which will prevent segregation or loss of materials.

Place concrete in maximum 18" horizontal layers.

Immediately after placing, thoroughly compact concrete with mechanical vibrators. Provide minimum of two vibrators. Provide minimum of two power sources unless commercial power is available at site. Hand tamping or "spudding" for small volumes (under 1/2 cubic yard) and areas (under 100 sq. ft.) may be used if approved by the COR.

Footings may be placed separate from foundation walls; if so provide minimum 2 x 3 x 18 inch key at 3 foot intervals in top of footing.

Place each concrete section in a continuous operation, such as bottom slab, walls, top slab.

Do not drop concrete freely more than 6 feet.

Do not place concrete in water or allow water to rise over freshly placed concrete until a set is sufficient to prevent damage, unless tremie placement methods are used.

3.03 Tremie Concrete Placement - Concrete may be deposited under water if shown that tremie methods result in a non-separated material in a compact mass in approximately horizontal layers without vibrating or tamping.

Use tremie, 10" diameter minimum, closed bottom-dump bucket, minimum 1/2 c.y., or other means approved in writing by the COR, when placement will be under water.

Place point of discharge upon the prepared foundation or upon concrete already placed, then discharge and raise slowly during the discharge.

Avoid agitating the mixture or allowing water to enter the tube or bucket.

3.04 Protection from Rainfall - Protect unset concrete in flat work and open portions of forms during rainy periods with adequate waterproof covering. Support covering so that finishing may and initial set obtained without damage. Dragging of tarpaulins or other covering across unset concrete flatwork will not be permitted.

3.05 Finshing – Finish exposed concrete as indicated below or as SHOWN ON DRAWINGS. When finishing adjacent to existing concrete, match existing finish, joint pattern and tool radius to extent practical.

A. Slabs – medium broom finish.

B. Vertical exposed surfaces - rubbed finish

3.06 Curing - Commence curing and protection of concrete immediately after placing and finishing. Cure Type I and Type II cement 7 days continuously and Type III cement 3 days continuously by one of the following methods:

A. Water Curing: Keep all surfaces of concrete and forms wet. Shade concrete from sun with covering material or with sand or sawdust on slab, except during periods of required finishing. Sprinkling or flooding is permitted on slabs.

B. Membrane Curing: Membrane curing may be used at the Contractor's option, Do not place membrane cure on slabs receiving resilient floorings. Complete required surface finish prior to application of curing compound; use water curing during finishing period. Spray material on surface at the rate of 1 gallon per 300 square feet in two applications, resulting in a coverage of 1 gallon per 150 square feet. Apply first coat immediately after acceptance of finish. Thoroughly wet concrete with water and apply material just as surface film of water disappears. Apply second coat after first application has set. Recoat any rupture to the membrane seal immediately.

3.07 Protection During Curing - Protect concrete from loading and vibration for a minimum of 7 days from time of placement.

Protect exposed surfaces and membrane coatings from marring and disturbance for a minimum of 10 days.

Marred surface finishes shall be repaired as directed by the COR at the contractors expense.

3.08 Cold Weather Concreting and Curing - When the descending air temperature at the project falls below 40 F the Contractor may at his option, continue concreting using procedures in this section and according to ACI code for Cold Weather Concreting. Normal concreting operations may resume when the ascending temperature at the site exceeds 40 F.

Provide cover and heating equipment sufficient to maintain the temperature of the concrete at not less than 50 F for a period of 3 days for Type I and Type II cement. Maintain the temperature at not less than 50 F for a period of 2 days for Type III cement or when one additional sack of Type I or Type II cement is added.

Provide additional protection to prevent the concrete temperature from dropping more than 40 F in the 24 hour period following the required protection period.

Remove and replace any concrete damaged by frost or freezing as directed by the COR.

03301-7 The following concrete tests will be taken:

1. Slump: Testing will be in accordance with ASTM C-143.

03301-

2. Air Content: Testing will be in accordance with ASTM C-231.

3. Compressive Tests: Compressive test cylinders will be molded, cured, prepared and tested in accordance with ASTM C-31 and C-39. A minimum of three (3) cylinders will be taken from each truckload of concrete.

The first cylinder from each set shall be tested at 7 days (3 days for Type III cement), the second at 28 days, and the third shall be tested immediately if the second cylinder in the set fails at less than the specified compressive strength. Test results of cylinders tested at 28 days will form the basis for acceptance or rejection of concrete strength. Each 28-day compressive test result shall be the average of the compressive test of two cylinders from the same set. A minimum of two (2) cylinders from each batch will be evaluated in accordance with ACI 318-77, Article 4.8.2.

Testing frequency shall be one set of tests per every other truck. An example, if one truck delivers concrete every day, testing is required every other day. If three trucks deliver concrete on the same day, two trucks are tested.

SECTION 10210

TRAFFIC SPIKES

PART 1 – GENERAL

1.1 SUMMARY

A. This work shall consist of furnishing and installing Traffic Spikes at the location as SHOWN ON THE DRAWINGS.

PART 2 – PRODUCTS

2.1 TRAFFIC SPIKES

2.2 EPOXY GLUE

A. Available from Whitecap. : http://www.whitecap.com/shop/wc/60609 , one per segment, or approved equal.

B. Gun for application, also from Whitecap. : http://www.whitecap.com/shop/wc/52569

PART 3 - EXECUTION

3.1 INSTALLATION

A. Lay out four 3’ segments end to end starting in the center of the recently paved road at the location as approved by COR.

B. Rough up back of each segment to ensure better adhesion of glue in the area where it will be in contact with pavement.

C. Apply epoxy as per manufacturer’s instructions and install segments.

D. The area shall then be cleaned up by removing and disposing of all materials not utilized.