W912P5-14-R-0003TSpecsAm5Pgs.pdf

Auxiliary Dam Reinforcing Berm Center Hill Reservoir and Left Rim Stabilization DeKalb County, Tennessee drilled in rock in accordance with the specifications. Payment will not be provided for additional drill footage beyond the designed depth of the hole as indicated on the contract drawings unless directed otherwise by the Government. Measurements less than five-tenths of a foot shall be rounded down, and measurements of five-tenths of a foot or greater shall be rounded up.

1.1.3.1.1.3 Unit of Measure

Unit of measure: Linear Foot (LF).

1.1.3.1.2 NQ Core Drilling, Angled Holes

1.1.3.1.2.1 Payment

Payment will be made for costs associated with Core Drilling Angled Holes for NQ Diameter Cores. As casing is expected to be minimal, it shall be considered incidental to drilling. Core Boxes, sample jars and pressure testing are incidental to drilling.

1.1.3.1.2.2 Measurement

Core Drilling Angled Holes for NQ Diameter Cores will be measured for payment to the nearest foot, based upon the linear feet of hole actually drilled in rock in accordance with the specifications. Payment will not be provided for additional drill footage beyond the designed depth of the hole as indicated on the contract drawings unless directed otherwise by the Government. Measurements less than five-tenths of a foot shall be rounded down, and measurements of five-tenths of a foot or greater shall be rounded up.

1.1.3.1.2.3 Unit of Measure

Unit of measure: Linear Foot (LF).

1.1.3.2 Overburden Excavation for the Reinforcing Berm

Payment will be made for overburden excavation for the Reinforcing Berm as specified in Section 31 23 05 EXCAVATION.

1.1.3.2.1 Payment

Payment for excavation will be made only for the volume of materials actually removed by the Contractor, and only for the material excavated within the excavation limits shown on the drawings or established in the field by the Contracting Officer's Representative. Payment for any given volume of excavation will not be made under more than one classification of excavation. Payment for overburden excavation shall be at the contract prices for "Overburden Excavation for the Reinforcing Berm."

Over-excavation and subsequent backfilling of excavations necessary through the fault or negligence of the Contractor shall be at no additional cost to the Government. No separate payment shall be made for dewatering, surveying, hoe-ramming, mucking, rock surface cleanups, sandbagging, sum of 10-days of geologic mapping, and surveying for determination of excavation quantities. No separate payment will be made for the excavation of overburden used as temporary fill for the convenience of the Contractor during the course of construction. No separate payment will be made for sheeting and shoring necessary to produce a safe work environment. These are considered incidental to Overburden Excavation for the Reinforcing Berm.

SECTION 01 22 00 Page 9 W912P5-14-R-0003 Amendment No. 0005

1.1.3.2.2 Measurement

At a minimum, pre and post construction surveys of cut areas shall be made under this contract. All measurements for payment will be based on the initial survey and additional surveys as specified in Section 31 23 05 EXCAVATION without regard to any changes that may occur during the execution of the work. All quantity computations for payment will be made using the comparison of the pre and post LiDAR surveys or other method approved by the COR. Final quantities will be measured by comparing the pre and post construction surveys. The Contracting Officer's Representative will make all decisions concerning classification of the excavated materials. Quantities will be measured to the nearest cubic yard.

1.1.3.2.3 Unit of Measure

Unit of measure: Cubic Yard (CY).

1.1.3.3 Presplitting at Reinforcing Berm

1.1.3.3.1 Payment

Payment will be made for presplitting work satisfactorily completed as specified in Section 31 23 06 BLASTING. Payment shall be full compensation for furnishing all plant, equipment, labor, materials and supplies for drilling, blasting, and for performing all other necessary incidentals.

1.1.3.3.2 Measurement

Measurement for presplitting will be made by the square yard of vertical and sloped rock surfaces actually developed as the final face using the presplit method.

1.1.3.3.3 Unit of Measure

Unit of measure: Square Yard (SY)

1.1.3.4 Rock Excavation for Reinforcing Berm

Payment will be made for rock excavation for the RCC Berm as specified in Section 31 23 05 EXCAVATION.

1.1.3.4.1 Payment

Payment for excavation will be made only for the volume of materials actually removed by the Contractor, and only for the material excavated within the excavation limits shown on the drawings or established in the field by the Contracting Officer's Representative. The removal of concrete downstream of the Saddle Dam that is required to facilitate construction shall also be included in this item. Payment for any given volume of excavation will not be made under more than one classification of excavation. Payment for rock excavation shall be at the contract prices for "Rock Excavation for the Reinforcing Berm." Over-excavation and subsequent backfilling of excavations necessary through the fault or negligence of the Contractor shall be at no additional cost to the Government. Over-excavation on permanent slopes made by the Contractor without fault or negligence excluding the volume of the tolerance will be paid for at the contract unit price, "rock excavation for the Reinforcing Berm." No separate payment shall be made for dewatering, surveying, blasting, hoe-ramming, ripping, mucking, scaling, dressing and trimming, rock surface cleanups, sandbagging, sum of 10-days of geologic mapping, SECTION 01 22 00 Page 10

1.1.9.9 Closed Circuit Television System

Payment will be made for providing and satisfactorily installing the closed circuit television system as specified in Section 28 23 23 CLOSED CIRCUIT TELEVISION SYSTEMS. Payment for the closed circuit television system will be made at the contract price per Job for "Closed Circuit Television System." This pay item will include all equipment, materials, software, conduit, and wiring. Payment for main system 19-in rack equipment cabinets will be paid for under item "Communications Cabling Systems."

1.1.9.10 Communications Cabling Systems

Payment will be made for providing and satisfactorily installing the communication cabling systems as specified in Section 27 10 00 BUILDING TELECOMMUNICATION CABLING SYSTEMS and Section 27 21 10 FIBER OPTIC DATA TRANSMISSION SYSTEM. Payment for the communication cabling systems will be made at the contract price per Job for "Communication Cabling Systems."

This pay item will include all equipment, materials, cabinets, telephone outlets, conduit, wiring, and main fiber optic cables.

1.1.10 Instrumentation

No payment will be made for payment associated with piezometers or inclinometers. All instrumentation replacement performed by the contractor shall be as a result of damaged existing instrumentation. All replacement as a result of damaged existing instrumentation shall be completed at no cost to the government.

1.1.10.1 Survey Markers/Benchmarks

All costs associated with the implementation of survey monuments and markers shall be included in 1.1.1.2 Miscellaneous Site Work.

1.1.10.2 Thermal Data Loggers

1.1.10.2.1 Measurement

All costs associated with installation of digital, un-interruptible, and non-alterable thermal data loggers shall include all labor, equipment, and materials needed to place ten data loggers in or on all monoliths. This includes the loggers, wires, remote reading devices, hand held recorders, software, and any other material required to collect the concrete temperature readings and transmit the data to the COR office. If during the installation of a logger and the placement of the next 2 lifts, the logger or wires are damaged and are no longer operable, the data logger shall be replaced at the cost of the Contractor.

1.1.10.2.2 Payment

Payment for the data loggers will be made only for completed, working loggers actually placed, connected, and working. Payment for data loggers shall be at the contract prices for "Thermal Data Loggers". Damage and replacement of loggers, wires, remote reading devices, or hand held recorders necessary through the fault or negligence of the Contractor shall be at no additional cost to the Government. The number of remote readers shall be the minimum number required to connect all the data loggers. No separate payment will be made for the placement, connection, reading, and processing the data. These are considered incidental to the Thermal Data Loggers.

SECTION 01 22 00 Page 27

1.1.10.2.3 Unit of Measure

Unit of measure: Each (EA).

1.1.11 Grading/Earthwork - RCC Reinforcing Berm

1.1.11.1 Permanent Seeding with Tree Planting

All costs associated with tree planting shall be in accordance with Section 32 92 19 SEEDING and 31 10 00 CLEARING FOR CIVIL WORKS.

1.1.11.1.1 Payment

All costs associated with tree planting are to include saplings, seed, topsoil, soil, and miscellaneous planting materials. Payment for permanent seeding shall be at the contract price for "Permanent Seeding with Tree Planting."

1.1.11.1.2 Measurement

Tree Planting shall be measured by the acre. Each acre shall have 300 saplings equally spaced.

1.1.11.1.3 Unit of Measurement

Unit of Measure: Acre (ACR)

1.1.11.2 Permanent Seeding without Tree Planting

All costs associated with permanent seeding shall be in accordance with Section 32 92 19 SEEDING.

1.1.11.2.1 Payment

All costs associated with permanent seeding are to include seed, topsoil, soil, and miscellaneous planting materials. Payment for permanent seeding shall be at the contract price for "Permanent Seeding without Tree Planting." Temporary seeding and associated items shall be considered incidental to "Miscellaneous Site Work".

1.1.11.2.2 Measurement

Permanent Seeding shall be measured by the acre.

1.1.11.2.3 Unit of Measurement

Unit of Measure: Acre (ACR)

1.1.12 Performance & Payment Bonds

1.1.12.1 Payment

Payment will be made for the performance and payment bonds that are required as part of this contract. The Government will pay the actual cost of acceptable performance and payment bonds or the Contractor's bid price, whichever is less. The Contractor shall provide evidence of payment (paid invoice) from the bonding company or agency. If the actual cost of the bonds is less than the line item amount, the contract will be modified to

SECTION 01 22 00 Page 28 excavation shall be provided no more than 10-days after final excavation of the foundation has been approved.

Surveys shall be referenced to and temporary benchmarks shall be located by Primary grid - Tennessee State Plane Coordinate System, (NAD 1983, feet) and station and offset referenced to the axis of the RCC berm or the baseline established for the left rim, and vertical control based on NAVD (1988).

3.5 BLASTING PERSONNEL

3.5.1 Blasting Specialist

The Blasting Specialist shall be a licensed blaster and have at least 10 years of verifiable experience utilizing controlled blasting techniques in mixed rock types similar to the bedrock strata present at the project site. Within the last five years, the specialist shall have completed at least five days of classroom training that has equipped him with the most current controlled blasting methods. In the last five years, the blasting specialist shall have been responsible for at least two rock scaling projects similar in scope and complexity as this project. Credentials shall include a list of the projects, including the location, duration, scope, description, geologic conditions, and the challenges that developed though the course of the projects and how the challenges were resolved.

Each project description shall be accompanied with photos which exhibit the blasting specialist's competency and ability to create the designed cut slope configuration to the specified tolerances. The list of projects shall also contain the names and phone numbers of the project owner or their representative who has sufficient knowledge to verify the submitted information. The Blasting Specialist shall be present onsite during all blasting operations. The Blasting Specialist shall be subject to the approval of the Contracting Officer's Representative.

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SECTION 31 23 07 Page 7

THIS PAGE INTENTIONALLY LEFT BLANK

FOR DUPLEX PRINTING

subject to the approval of the Contracting Officer prior to use.

2.7 SAPLING TREES

Sapling trees (Large Diameter) will be planted at final stabilization with warm season grasses. Tree species will consist of equal number of groups from the Standard (Std.) Seedlings, Large Diameter; and Wildlife Species (no diameter specified) as listed in the TDF Form. Sapling trees would be planted at a rate of 300 stems per acre and in 3-ft of soil (2-ft soil and 1-ft top soil).

2.7.1 Maintenance

Maintenance will include, but is not limited to, the watering, maintenance and replanting to maintain the acceptable sapling tree survivability of 75 percent for one full year after the completion of construction, eradicating weeds; maintaining the performance of the erosion control materials and mulch; replacement of dead, missing, or non-viable sapling trees; repair of soil, and protecting sapling trees from human and animal activities. A sapling tree inspection to document sapling tree survival at the end one full growing season (generally April through October) shall be scheduled with the Contracting Officer at least two weeks in advance. It is anticipated this would occur just prior to the first hard frost (generally October to November) so that leaves would be present on deciduous plants.

Furnish written instructions containing drawings and other necessary information to the Contracting Officer, describing the care of the planted sapling trees including when and where maintenance should occur and the procedures for material replacement. Instructions shall describe the methods for specific maintenance activities and equipment and tools required for such efforts. Requirements on safety and regulations shall be included.

PART 3 EXECUTION

3.1 INSTALLATION

It is the intent of these specifications that topsoiling, fertilizing, liming, seeding and mulching shall constitute continuous construction. As soon as work is completed in an area and there is no danger of damage from construction operations, the area shall be stabilized and protected as specified herein.

3.1.1 Spreading Stockpiled Topsoil

All areas to be topsoiled shall be graded to conform to the general contour of the finished surface and left in a loose, roughened condition immediately prior to placing topsoil. Stones larger than 2 inches in diameter, roots, cables, wire, and other material that might hinder the work or subsequent maintenance shall be removed prior to topsoil placement. New channelized slopes, new embankments, and any other areas directed by the Contracting Officer, which are to be seeded shall be covered with stockpiled topsoil to a uniform depth of not less than 12 inches. The Contractor shall, at his expense, preserve, protect, replace or do such work as is necessary to maintain the topsoil in a satisfactory and acceptable condition from the time of placing until final acceptance.

SECTION 32 92 19 Page 7

3.1.2 Application of Lime and Fertilizer

3.1.2.1 Liming

The first material to be applied shall be agricultural grade lime. The lime shall be evenly and uniformly distributed over the entire area to be seeded at a rate of 3 tons per acre and incorporated to a depth of not less than 4 inches.

Soil testing is recommended to determine pH and nutrient availability. The pH should be 6.0-6.5. Levels of phosphorus should be 31-120 pounds per acre and potassium 161-320 pounds per acre. Nitrogen will not need to be applied at planting.

3.1.2.2 Fertilizer

Commercial fertilizer shall be applied next and shall be evenly and uniformly distributed over the entire area. The rate of application shall be 400 pounds per acre for turf grass areas. The fertilizer shall be worked into the soil to a depth of not less than 4 inches. The fertilizer and the lime shall be applied separately but may be incorporated into the soil in one operation. Seed shall be planted within 48 hours after application of fertilizer.

3.1.3 Seeding

3.1.3.1 Permanent NWSG Seeding

Permanent Native Warm Season Grass Seeding shall not be performed between 01 June and 14 March. Seeding may be postponed if current conditions indicate that satisfactory results are not likely to be obtained. Other than as stated above, seeding shall immediately follow seedbed preparation. No seeding shall be done in windy weather nor when the ground surface is frozen, wet, or otherwise nontillable. Seed shall be sown by approved specialty warm season no-till grass drill seeders (suitable for planting prairie grasses) or, in the case of steep banks and inaccessible sites, manual cyclone seeders (such as belly-grinders) in a uniform manner at the rate specified (6.5 pounds per acre) to an average depth of 1/4 inch.

Seeding Rate for Permanent NWSG Seeding. Permanent seeding rate shall be 6.5 pounds per acre or as described in the TDEC Handbook.

Seed Mixtures for Permanent NWSG Seeding. Permanent seed mix shall be as set forth in paragraph 2.1.1 of this section or as described in the TDEC Handbook.

3.1.3.2 Permanent Turf Grass Seeding

Permanent Turf Grass Seeding shall not be performed between 02 December and 14 February nor between 16 May and 30 July. Seeding may be postponed if current conditions indicate that satisfactory results are not likely to be obtained. Other than as stated above, seeding shall immediately follow seedbed preparation. No seeding shall be done in windy weather nor when the ground surface is frozen, wet, or otherwise non-tillable. Seed shall be sown by approved mechanical seeders in a uniform manner at the rate specified (5 pounds per MSF) to an average depth of 1/4 inch.

Seeding Rate for Permanent Turf Grass Seeding. Permanent turf grass seeding rate shall be 5 pounds per MSF.

SECTION 32 92 19 Page 8