Spec_-_Repave_Roads_ _Parking_Lots__5644683.pdf

REPAVE ROADS &

PARKING LOTS

U.S. COAST GUARD ACADEMY

NEW LONDON, CT

PROJECT NO. 5644683

G. J. Carabine

G.J. CARABINE

Date: 23 October 2014

U.S. Coast Guard Academy Project No. 5644683 Repave Roads & Parking Lots

DIVISION 1 – GENERAL REQUIREMENTS

PART 1 – GENERAL

1.1 PROJECT LOCATION

Project sites are located at the parking lot south of Johnson Hall (Lot S), within Pickering Road, and west of Pine Hall at the U.S. Coast Guard Academy.

1.2 PROJECT DESCRIPTION

The project includes demolition of pavement and curbing, construction of pavement and curb-and-gutter, installation of precast curbing and traffic bollards, and miscellaneous related work. Work shall be performed according to this specification and as shown on drawing CC-1224.

1.3 WORK SEQUENCE

A. The work shall be conducted by the Contractor to provide the least possible interference to the activities of the Government’s personnel.

B. Existing utility systems shall not be interrupted unless approved by the Chief, Construction & Engineering.

C. The Contractor shall submit a time-scaled Gantt chart progress schedule for approval within 5 days of Notice to Proceed.

1.4 CONTRACTOR USE OF PREMISES

A. General: During the construction period, the Contractor shall have limited use of the premises for work operations, including use of the site as specified by the Contracting Officer’s Representative (COR). Material storage and work areas shall be as designated by the COR.

B. Keep roadways serving the premises clear and available to the Government and the Government’s employees at all times. Do not use these areas for parking or storage of materials.

C. Use of Existing Buildings: Toilet facilities designated for use by the Contractor’s personnel shall be specified by the COR. Keep facilities clean and free of nuisance at all times.

D. All on-site operations shall be performed between the hours of 7:30 a.m. and 4:00 p.m. local time, Monday through Friday. Submit request to the Chief, Construction & Engineering at least 72 hours in advance for permission to work outside the normal working hours or on Saturdays, Sundays, or Federal holidays.

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E. No on-site work shall occur on the following dates: 9/12-14, 2014 (Parents’

Weekend) and 10/10-12, 2014 (Homecoming Weekend).

1.5 SAFETY PRECAUTIONS

A. The work hereby contemplated shall be governed at all times by applicable provisions of federal regulations, including, but not limited to, the current edition, with the latest amendment(s) of the following:

1. William-Steiger Occupational Safety and Health Act of 1970, Public Law 91-596; Part 1926 – Occupational Safety and Health Standards, Chapter XVII of Title 29, Code of Federal Regulations (29 CFR Part 1926).

B. The Contractor shall notify the Fire Marshal via the COR prior to the start of any construction practices which may affect or impair any fire protection system or which may present a fire hazard (e.g., sanding, welding, grinding, and utilization of any flame producing device).

1.6 GOVERNMENT OCCUPANCY

A. The Government will occupy adjacent sites and buildings during the entire construction period. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage. Schedule and perform the Work so as not to interfere with Government's day-to-day operations.

1.7 COORDINATION OF INSPECTION

A. The Contractor shall contact the COR prior to the start of any work. The Contractor shall have a full-time superintendent on site while contractor personnel or subcontractor personnel conduct work, or to receive material deliveries.

1.8 REFERENCE SPECIFICATIONS AND STANDARDS

A. Comply with the requirements of the various specifications and standards referred to in these specifications, except where they conflict with the requirements of these specifications or contract drawings. Such reference specifications and standards shall be the date of latest revision in effect at the time of receiving bids.

1.9 CONTRACTOR PARKING AND STORAGE OF MATERIAL

A. The Contractor will be permitted to park in areas near, but not adjacent to, the work sites. The Contractor will be assigned areas near the work sites for storage.

1.10 SITE MAINTENANCE

A. The Contractor shall perform daily cleanup of work sites, dumpster and storage areas. All dumpsters shall have watertight covers.

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1.11 HAZARDOUS MATERIALS

A. The Contractor shall submit to the Chief, Construction and Engineering a copy of all Material Safety Data Sheets (MSDSs) for each chemical or hazardous material to be used in the execution of this contract.

1.12 WASTE GENERATION

A. The Contractor shall be responsible for the proper management and collection of all wastes generated. No wastes generated shall be placed in any waste collection device located at the Academy.

PART 2 – PRODUCTS (Not applicable.)

PART 3 − EXECUTION (Not applicable.)

END OF SECTION

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DIVISION 2 – SITE WORK

PART 1 – GENERAL

1.1 SUMMARY

A. This section includes requirements for hot mix asphalt pavement, Portland cement concrete paving, concrete curb and gutter, concrete curbing, storm drainage components and miscellaneous related work. Furnish all materials as specified herein and as needed for complete and proper installation.

1.2 REFERENCES

A. At a minimum, new construction and modifications to existing construction shall comply with the requirements of:

1. Connecticut Department of Transportation (ConnDOT): Standard Specification for Roads, Bridges and Incidental Construction (Form 816).

2. American Concrete Institute (ACI): Manual of Concrete Practice.

3. Occupational Safety and Health Association (OSHA).

1.3 SUBMITTALS

A. Product Data: For each type of product required, including manufacturer’s installation instructions.

B. Design Data: Mix designs for Portland Cement Concrete. Job Mix Formulas for Hot Mix Asphalt.

C. Shop Drawings: Precast Catch Basin Top and Precast Curbing.

D. Material Safety Data Sheets for all applicable products.

E. Test Results: Field and lab test results of cast-in-place concrete. Compaction test results for aggregate base and asphalt paving.

1.4 WARRANTY

A. Provide a guarantee against defects in the materials and workmanship for a period of one year from the date of substantial completion.

1.5 TIME RESTRICTIONS

A. Portland Cement Concrete: Cure and protect from traffic until concrete has reached a minimum compressive strength of 3,000 psi. Provide steel plating for patch within roadway.

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B. Hot Mix Asphalt: Discontinue paving when ambient and surface temperatures fall outside the limitations stated in ConnDOT Section 4.06, Table 1. Do not place asphalt on wet surfaces, during periods of expected rainfall, or when weather conditions otherwise prevent the proper handling or finishing as determined by the COR.

C. Follow traffic paint manufacturer’s instructions for coating of new asphalt and temperature limitations/constraints.

1.6 QUALITY ASSURANCE

A. Testing Agency Qualifications: Qualified according to ASTM C 1077, ASTM E 329, and ASTM D 3666 for testing indicated. Engage a qualified testing agency to perform laboratory and field material evaluation tests.

PART 2 – PRODUCTS

2.1 PROCESSED AGGREGATE BASE

A. ConnDOT Section M.05.01.

2.2 PORTLAND CEMENT CONCRETE

A. Cast-In-Place: ConnDOT State Class “F”. Conforming mix designs incorporating Supplementary Cementitious Materials (e.g. Class F fly ash, ground granulated blast-furnace slag, etc.) in plant standard mixes are encouraged.

B. Precast Curbing: 5,000 psi, 5-7% air entrainment.

2.3 HOT MIX ASPHALT

A. ConnDOT Section M.04.

2.4 JOINT SEALANT

A. Single component, self-leveling, polyurethane sealant designed for roadways (e.g.

Sikaflex-1c SL).

2.5 PAVEMENT MARKING PAINT

A. Latex waterborne emulsion. Colors to match existing.

2.6 LOAM & SEED

A. Loam shall be free of rocks exceeding ¾” in longest direction. Seed shall be an off-the-shelf seasonal mix of a blend consisting of bluegrass and perennial ryegrasses (nominally 25% and 75%, respectively).

2.7 PRECAST CATCH BASIN TOP

A. ConnDOT M.08.02.05, ConnDOT Type “C”.

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2.8 DRAINAGE PIPE AND FITTINGS

A. Reinforced Concrete Pipe and Fittings: ConnDOT Section M.08.

2.9 GEOTEXTILE

A. Nonwoven pervious sheet of polymeric material designed for subsurface drainage with a minimum grab tensile strength of 115 lbs (e.g. Mirafi 140N, Geotex 401, etc.).

2.10 DETECTABLE WARNING SURFACE

A. Provide replaceable wet-set truncated dome detectable warning system matching existing, adjacent warning surfaces.

PART 3 − EXECUTION

3.1 PREPARATION & DEMOLITION

A. ConnDOT Section 2.19. Protect, remove and/or relocate all items necessary to accommodate the work. Demolish pavement and curbing within the limits indicated. Remove existing aggregate base below pavement and curbing to provide new base material in the thicknesses identified.

B. Locate existing underground utilities and service connections prior to commencing excavation work. CBYD does not provide locating/marking services for Academy-owned utilities shown on the contract drawing. Contractor shall locate utilities as necessary via independent locating service, hand-digging, test pits, or other means to avoid damage to existing construction to remain.

Support and protect utilities to remain in place.

C. Maintain sides and slopes of excavations in a safe condition until completion of backfilling. Comply with Code of Federal Regulations Title 29 - Labor, Part 1926 (OSHA). Remove and dispose of all excavated materials unless otherwise noted. Provide erosion and sedimentation controls along the work site.

3.2 PROCESSED AGGREGATE BASE

A. ConnDOT Section 3.04. Processed aggregate base shall be placed in two courses and compacted to 95% modified proctor (AASHTO T180, Method D). The thickness of each course shall not be more than 4” after compaction.

3.3 PORTLAND CEMENT CONCRETE

A. Comply with ConnDOT Form 816 and recommendations in ACI 304R for measuring, mixing, transporting, and placing concrete.

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B. Consolidate concrete with mechanical vibrating equipment. Use equipment and procedures to consolidate concrete according to recommendations in ACI 309R.

C. Do not open pavement to vehicular traffic until concrete has attained a minimum compressive strength of 3,000 psi. Contractor shall provide the services of an independent sampling/testing company to prepare and test field-cured cylinders beginning at 3 days (72 hours) and continuing daily until either the minimum compressive strength for placement in service (i.e. 3,000 psi) is attained or until the 7-day break (whichever comes sooner).

D. Precast Curbing: ConnDOT Section 8.11. Install straight and radiused precast concrete curbing plumb, level and in alignment.

3.4 HOT MIX ASPHALT

A. ConnDOT Section 4.06.

3.5 JOINT SEALANT

A. Follow manufacturer instructions for surface preparation and installation. Seal all joints in precast curbing, curb and gutter, and concrete walks.

3.6 PAVEMENT MARKING PAINT

A. Apply marking paint per manufacturer instructions. Provide protection until paint is ready for traffic.

3.7 LOAM & SEED

A. Provide clean/rolled loam, seed, starter fertilizer, and straw or hay mulch to restore turfed areas disturbed during curbing installation. Acceptance criterion is a 90% stand of grass.

3.8 PRECAST CATCH BASIN TOP

A. ConnDOT Section 5.07.

3.9 DRAINAGE PIPE AND FITTINGS

A. Install pipe according to American Concrete Pipe Association’s “Concrete Pipe Installation Manual” and relevant portions of ConnDOT Section 6.51.

3.10 GEOTEXTILE

A. Install per manufacturer’s instructions with minimum overlap of 12” at seams.

3.11 DETECTABLE WARNING SURFACE

A. Install per manufacturer’s written instructions.

END OF SECTION

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