257 ALASKA 2020 SECTION 514 CONCRETE SURFAC E TREATMENTS
514-1.01 DESCRIPTIO N. Provide an aesthetic fascia and anti -graffiti protection on exposed
faces of precast and cast -in-place concrete.
514-1.02 SUBMITTALS. Submit shop drawings for approval that contain a minimum of the
following informati on:
1.formliner brand, name, and model number
2.formliner sheet sizes
3.formliner layout and joint locations, including chamfer strip and form tie locations
4.panel coordination and details of cropped panels
5.installation sequence
6.methods to prevent formliner deflection due to pressure from concrete placement
7.panel elevations Submit verification samples that are at least 18 inches square of the type and pattern specified in the Plans. Provide the formliner manufacturer’s installation instructions and product data information.
514-2.01 Materials.
1.Aesthetic Fascia . Provide standard reusable, non- porous formliners conforming to the pattern as specified on the Plans; or approved equal.
2.Anti-graffiti Protection. Use a two -step anti -graffiti protection system designed specifically for this use. The system shall consist of a single component clear acrylic base coat covered by a clear urethane finish coat. This material is not a sealer or vapor barrier and no discoloration is allowed.
514-3.01 AESTHETIC FASCIA. The w all dimensions and concrete quantities provided on the
Plans are minimum and do not include allowances for the thickness of the formliners. Account for the thickness of the formliners. Do not decrease the required minimum clear cover when using aesthetic f ascia. Measure provided clear cover at the point where it is a minimum due to the aesthetic fascia. Cover the form leaving a maximum of 6 inches between the edge of liner and the finished top of the wall, pathway or ground grade at the bottom, and edge or expansion joints on the sides, or as recommended by the manufacturer. Do not place concrete until the Engineer approves the liner placement on the form.
514-3.02 ANTI -GRAFFITI PROTECTION. Let all concrete surfaces set at least 28 days before
applying any coatings. Apply the system in accordance with the manufacturer’s recommendations. Apply appropriate masking as required. Apply the system to concrete surfaces to a minimum of one- foot below finished grade.
514-4.01 METHOD OF MEASUREMENT. See Sec tion 109 and as follows:
1.Aesthetic Fascia . By the square foot of in- place surface area of aesthetic facia.
2.Anti-graffiti Protection. By the square foot of coated surface area. SECTION 513 258 ALASKA 2020 514-5.01 BASIS OF PAYMENT. When Items 514.0001.____, or 514.0002.____ do not ap pear on the bid schedule, this work is subsidiary. Payment will be made under: PAY ITEM Item Number Item Description Unit 514.0001.____ Aesthetic Fascia SF 514.0002.____ Anti-Graffiti Protection SF 259 ALASKA 2020 SECTION 515 DRILLED SHAFTS
515-1.01 DESCRIPTION . Construct drilled shaft foundations where indicated in the plans. This
work includes all labor, materials, equipment, incidentals and services necessary to perform all operations to complete drilled shaft installation.
515-1.02 QUALITY CON TROL. Provide a Quality Control Inspector to ensure that all materials,
techniques and methods are suitable to meet or exceed the minimum requirements of the contract. The Quality Control Inspector shall submit daily reports during drilled shaft installation and testing operations verifying the Contractor’s compliance with requirements of the contract. Include field measurement data, procedural discrepancies, installation problems, names of personnel, equipment usage data, and all other significant information in the daily reports.
515-1.03 QUALIFICATI ONS. Experience is required for constructing drilled shafts of at least 8
feet in diameter and lengths similar to those indicated on the plans for three separate projects during the previous 5 years. Experience must include dr illing in deep water (greater than 30 feet), drilling in soils with ground water, in soils with large boulders, and in rock.
515-1.04 GENERAL REQ UIREMENTS AND SUBMIT TALS. Submit the following documents for
review and approval no more than one week after the Notice to Proceed:
1.Project Experience . Provide a list of three drilled shaft projects performed by the Drilled Shaft Contractor that involved drilling in sand, gravel, large boulders and rock similar to those conditions expected at this project location. Provide the drilled shaft plans, logs of test holes, dates of work, type of work, description of work, and amount of work performed. Provide the name and telephone number of a contact person at the agency or company for which the work was completed.
2.Personnel Experience. Provide a list of the key personnel involved in the drilled shaft construction. Include the name of the superintendent and of the superintendent’s assistants who will be performing and directing the actual drilling operations. Include a r esume of each superintendent and assistant involved in drilled shaft construction indicating:
a.A minimum of 5 years’ experience in directing drilled shaft construction of which 2 years being in responsible charge or operating equipment proposed for this project.
b.The number of years of recent continuous relevant experience in performing similar drilling operations and operating the contractor proposed equipment for this job.
c.Detailed recent relevant experience (three project minimum) including project description, date of work, actual work performed by individual, and a reference for each project including telephone number.
d.A list of relevant equipment operated including type of equipment and amount and nature of experience. Only those personnel approved by th e Engineer may work on the drilled shaft construction. The Engineer may suspend the drilled shaft work if the Contractor substitutes unauthorized personnel for authorized personnel during construction. If work is suspended due to unauthorized substitution of personnel, the Contractor shall be fully liable for all additional costs resulting from the suspension of work and no adjustment in contract time will be allowed.
3.Drilled Shaft Installation Plan. Submit a Drilled Shaft Installation Plan for review and approval no less than 45 days prior to the anticipated start of drilled shaft construction. Include the following:
Source: Alaska Standard Specifications for Highway Construction, 2020 Edition. Pages 285–286 of 584.