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01301 - 1
SECTION 01301
MOBILIZATION
PART 1 - GENERAL
1.1 DESCRIPTION
A. This Work consists of moving personnel, equipment, material, and incidentals to the project and performing all work necessary before beginning work at the project site. Mobilization includes the obtaining of all permits, insurance, and bonds.
1.2 PERMITS
A. The Government does not purchase building, electrical, plumbing, or encroachment permits.
The Contractor will not be reimbursed for such permits. The Contractor, under its program for project quality control, may request and pay for inspection of these items from the local jurisdiction. All other permits remain the Contractor’s responsibility to obtain.
B. The contractor is responsible for the fees and permits required to move oversize loads on state and local roads.
1.3 MEASUREMENT AND PAYMENT
A. Method of Measurement: Lump Sum Quantity (LSQ).
B. Unit of Measurement: Job. The Government will only pay for the initial project mobilization.
Additional project mobilizations, regardless of cause, will not be paid. Mobilization is shown on the SCHEDULE OF ITEMS as one pay item: Mobilization.
C. Progress payment for Mobilization lump sum will be paid as follows:
1. Bond premiums will be reimbursed according to FAR Clause 52.232-5 Payments Under
Fixed-Price Construction Contracts, after receipt of the evidence of payment.
2. When 5 percent of the original contract amount is earned from other bid items, 50 percent of the mobilization item, or 5 percent of the original contract amount, whichever is less, will be paid.
3. When 10 percent of the original contract amount is earned from other bid items, 100 percent of the mobilization item, or 10 percent of the original contract amount, whichever is less, will be paid.
4. Any portion of the mobilization item in excess of the 10 percent of the original contract amount will be paid after final acceptance.
END OF SECTION
| _spec_index |
| 01010_Summary_Of_Work |
| 1. |
| 1.1 DESCRIPTION OF WORK |
| A. The intent of this contract is to replace the existing tanks with a new tank of 31,000 gallons, install a section of main distribution line, and connect the existing water system to the mainline for the Work Center. |
| B. Furnish all labor, equipment and material to accomplish the Work under this contract. Work includes but is not limited to the following major items: |
| C. Project Location: |
| 1.2 staging area and safety |
| A. The Contractor shall be allowed to store materials only at the project site at requested locations(s) approved in writing by the Contracting Officer. The Contractor is responsible for the loss of or damage to any materials or equipment stored on t... |
| 1.3 SPECIFICATIONS AND DRAWINGS |
| A. The specifications establish the construction procedures and materials to be employed throughout. All work shall be completed in accordance with these specifications and project drawings. Proposed waterline drawings are shown for reference only. ... |
| B. Some variation in construction details will be allowed for off-site construction of subsystems or total units, provided that the final product is equal to or superior to that shown and specified in this contract. Use of the finish materials shall ... |
| C. Off-site construction of major subsystems or the units themselves will require the Contractor to notify the Contracting Officer of progress and schedules to permit full inspection for conformance with the contract. |
| D. Submit shop drawings for approval for all components that are in variance from that specified or SHOWN ON THE DRAWINGS or that varies in dimension, slope, configuration, etc. The Government retains the right to reject any component or system that ... |
| 1.4 MEALS AND LODGING |
| A. Meals or lodging will not be available at Forest Service facilities. |
| 1.5 CONSTRUCTION ADMINISTRATION |
| A. Contractor may use a self-contained travel trailer or recreational vehicle to camp on the premises. All waste material must be transported off-site to a station equipped to handle such waste. This is subject to availability and must be coordinate... |
| B. Contractor shall use excavation equipment as specified in Section-02320 or equipment approved by the Contracting Officer. |
| C. No dumping of waste products of any type will be permitted. All waste shall be transported to an approved sanitary landfill disposal of Forest Service lands. Construction materials removed from the trench excavation may be stock pilled at the John... |
| D. No on-site sanitary facilities are available for Contractor’s use. Contractor shall provide facilities for construction employees. Human waste disposal shall conform to the State of California rules and regulations governing such disposal. Sanit... |
| E. Materials for construction, construction vehicles and equipment shall be stockpiled and staged at the project site off native ground in an approved area, designated by the Contracting Officer. All construction materials shall be placed/stored on p... |
| F. The Contractor shall take precautions to protect all work and materials during the construction period this includes all archeological materials exposed from the construction operations. If the contractor is found in position of archeological mate... |
| G. The Contractor is responsible for safeguarding the public and employees from construction operations. |
| H. The project work site is limited to the work items described in this contract. Areas of no-entry no-work will be staked off by the Contracting Officer. |
| I. Contractor shall comply with the provisions of Contract Section C.6 SPECIAL CONDITIONS AFFECTING THE WORK. |
| 1.6 SURVEY CONTROL |
| A. The Government will establish the location of control points. Using these points, the Contractor shall be responsible for establishing the layout survey and maintaining all horizontal and vertical control for the duration of the project. |
| 1.7 CONSTRUCTION SEQUENCE |
| A. The project shall be completed within the time frame established by the terms of this contract and according to the approved Schedule of Work. |
| B. Depending on conditions, normal fire restrictions may apply to activities associated with this project. |
| C. The Work Center is a working fire station year round. Special coordination with the Contracting Officer and the work center Station Foreman may be necessary during fire operations. |
| 01300_Submittals |
| 01301_Mobilization |
| 01500_Construction_Facilities and Temporary_Controls |
| 1. |
| 1.1 RELATED DOCUMENTS |
| A. Drawings and general provisions of the Contract, and other Division 1 Specification Sections, apply to this Section. All temporary controls under this contract shall be approved by the Contracting Officer. |
| 1.2 related sections |
| A. Section 01010 – Summary of Work |
| 1.3 SUMMARY |
| A. This Section includes requirements for construction facilities and temporary controls, including temporary utilities, support facilities, and security and protection. |
| B. Temporary utilities include, but are not limited to, the following: |
| 1. Water service and distribution. |
| 2. Temporary electric power and light. |
| 3. Temporary heat. |
| 4. Ventilation. |
| 5. Telephone service. |
| 6. Sanitary facilities, including drinking water. |
| C. Support facilities include, but are not limited to, the following: |
| 1. Field offices and storage sheds. |
| 2. Dewatering facilities and drains. |
| 3. Temporary enclosures. |
| 4. Temporary project identification signs and bulletin boards. |
| 5. Waste disposal services. |
| 6. Construction aids and miscellaneous services and facilities. |
| D. Security and protection facilities include, but are not limited to, the following: |
| 1. Temporary fire protection. |
| 2. Barricades, warning signs, and lights. |
| 3. Environmental protection. |
| 4. Road signs. |
| 1.4 SUBMITTALS |
| A. Temporary Utilities: Submit reports of tests, inspections, meter readings, and similar procedures performed on temporary utilities. |
| 1.5 QUALITY ASSURANCE |
| A. Regulations: Comply with industry standards and applicable laws and regulations of The Government including, but not limited to, the following: |
| 1. Building code requirements. |
| 2. Health and safety regulations. |
| 3. Utility company regulations. |
| 4. Police, fire department, and rescue squad rules. |
| 5. Environmental protection regulations. |
| B. Standards: Comply with NFPA 241 "Standard for Safeguarding Construction, Alterations, and Demolition Operations," ANSI A10 Series standards for "Safety Requirements for Construction and Demolition," and NECA Electrical Design Library "Temporary El... |
| 1. Electrical Service: Comply with NEMA, NECA, and UL standards and regulations for temporary electric service. Install service in compliance with NFPA 70 "National Electric Code." |
C. Inspections: Arrange for authorities having jurisdiction to inspect and test each temporary utility before use. Obtain required certifications and permits.
| 1.6 PROJECT CONDITIONS |
| A. Temporary Utilities: Prepare a schedule indicating dates for implementation and termination of each temporary utility. At the earliest feasible time, when acceptable to the Contracting Officer, change over from use of temporary service to use of ... |
| B. Conditions of Use: Keep temporary services and facilities clean and neat in appearance. Operate in a safe and efficient manner. Relocate temporary services and facilities as the Work progresses. Do not overload facilities or permit them to inte... |
| 2. |
| 2.1 MATERIALS |
| A. General: Provide new materials. If acceptable to the Contracting Officer, the Contractor may use undamaged, previously used materials in serviceable condition. Provide materials suitable for use intended. |
| 2.2 EQUIPMENT |
| A. General: Provide new equipment. If acceptable to the Contracting Officer, the Contractor may use undamaged, previously used equipment in serviceable condition. Provide equipment suitable for use intended. |
| B. Water Hoses: Provide 3/4-inch, heavy-duty, abrasion-resistant, flexible rubber hoses 100 feet long, with pressure rating greater than the maximum pressure of the water distribution system. Provide adjustable shutoff nozzles at hose discharge. |
| C. Electrical Outlets: Provide properly configured, NEMA-polarized outlets to prevent insertion of 110- to 120-Volt plugs into higher voltage outlets. Provide receptacle outlets equipped with ground-fault circuit interrupters, reset button, and pilo... |
| D. Electrical Power Cords: Provide grounded extension cords. Use hard-service cords where exposed to abrasion and traffic. Provide waterproof connectors to connect separate lengths of electric cords if single lengths will not reach areas where cons... |
| E. Lamps and Light Fixtures: Provide general service incandescent lamps of wattage required for adequate illumination. Provide exterior fixtures where exposed to moisture. |
| F. Heating Units: Provide temporary heating units that have been tested and labeled by UL, FM, or another recognized trade association related to the type of fuel being consumed. |
| G. Temporary Offices: Provide prefabricated or mobile units or similar job-built construction with lockable entrances, operable windows, and serviceable finishes. |
| H. Temporary Toilet Units: Provide self-contained, single-occupant toilet units of the chemical, aerated recirculation type. Provide units properly vented and fully enclosed with a glass-fiber-reinforced polyester shell or similar nonabsorbent mater... |
| I. Fire Extinguishers: Provide hand-carried, portable, UL-rated, Class A fire extinguishers for temporary offices and similar spaces. In other locations, provide hand-carried, portable, UL-rated, Class ABC, dry-chemical extinguishers or a combinatio... |
| 1. Comply with NFPA 10 and NFPA 241 for classification, extinguishing agent, and size required by location and class of fire exposure. |
| 3. |
| 3.1 INSTALLATION |
| A. Locate facilities where they will serve the Project adequately and result in minimum interference with performance of the Work. Relocate and modify facilities as required. |
| B. Provide each facility ready for use when needed to avoid delay. Maintain and modify as required. Do not remove until facilities are no longer needed or are replaced by authorized use of completed permanent facilities. |
| 3.2 TEMPORARY UTILITY INSTALLATION |
| A. General: Engage the appropriate local utility company to install temporary service or connect to existing service. Where company provides only part of the service, provide the remainder with matching, compatible materials and equipment. Comply w... |
| 1. Arrange with company and existing users for a time when service can be interrupted, if necessary, to make connections for temporary services. |
| 2. Provide adequate capacity at each stage of construction. Prior to temporary utility availability, provide trucked-in services. |
| 3. Obtain easements to bring temporary utilities to the site where the Government's easements cannot be used for that purpose. |
| 4. Use Charges: Cost or use charges for temporary facilities are not chargeable to the Government. Neither the Government nor Contracting Officer will accept cost or use charges as a basis of claims for Change Orders. |
| B. Temporary Electric Power Service: Provide weatherproof, grounded electric power service and distribution system of sufficient size, capacity, and power characteristics during construction period. Include meters, transformers, overload-protected d... |
| 1. Install electric power service underground, except where overhead service must be used. |
| 2. Power Distribution System: Install wiring overhead and rise vertically where least exposed to damage. Where permitted, wiring circuits not exceeding 125 Volts, ac 20 Ampere rating, and lighting circuits may be nonmetallic sheathed cable where ove... |
| C. Temporary Lighting: Provide temporary lighting with local switching. |
| 1. Install and operate temporary lighting that will fulfill security and protection requirements without operating the entire system. Provide temporary lighting that will provide adequate illumination for construction operations and traffic conditions. |
| D. Temporary Heat: Provide temporary heat required by construction activities for curing or drying of completed installations or for protection of installed construction from adverse effects of low temperatures or high humidity. Select safe equipmen... |
| E. Heating Facilities: Except where the Contracting Officer authorizes use of the permanent system, provide vented, self-contained, LP-gas or fuel-oil heaters with individual space thermostatic control. |
| 1. Use of gasoline-burning space heaters, open flame, or salamander heating units is prohibited. |
| F. Temporary Telephones: At Contractor’s option, provide temporary telephone service throughout the construction period for all personnel engaged in construction activities. |
| G. Sanitary facilities include temporary toilets, wash facilities, and drinking water. Comply with regulations and health codes for the type, number, location, operation, and maintenance of fixtures and facilities. Install where facilities will best... |
| 1. Provide toilet tissue, paper towels, paper cups, and similar disposable materials for each facility. Provide covered waste containers for used material. |
H. Toilets: Install self-contained toilet units. Shield toilets to ensure privacy. Use of pit-type privies will not be permitted.
| 3.3 SUPPORT FACILITIES INSTALLATION |
| A. Locate field offices, storage sheds, and other temporary construction and support facilities for easy access. |
| 1. Maintain support facilities until near Substantial Completion. Remove prior to Substantial Completion. |
| B. Storage Sheds: Install storage sheds sized, furnished, and equipped to accommodate materials and equipment involved, including temporary utility service. |
| C. Temporary Enclosures: Provide temporary enclosures for protection of construction, in progress and completed, from exposure, foul weather, other construction operations, and similar activities. |
| 1. Where heat is needed and the permanent building enclosure is not complete, provide temporary enclosures where there is no other provision for containment of heat. Coordinate enclosure with ventilating and material drying or curing requirements to ... |
| 2. Install tarpaulins securely, with incombustible wood framing and other materials. Close openings of 25 sq. ft. or less with plywood or similar materials. |
| 3. Close openings through floor or roof decks and horizontal surfaces with load-bearing, wood-framed construction. |
| 4. Temporary Signs: Prepare signs to provide directional information to construction personnel and visitors. |
| D. Temporary Exterior Lighting: Install exterior yard and sign lights so signs are visible when Work is being performed. |
| E. Collection and Disposal of Waste: Collect waste from construction areas and elsewhere daily. Comply with requirements of NFPA 241 for removal of combustible waste material and debris. Enforce requirements strictly. Do not hold materials more th... |
| 3.4 SECURITY AND PROTECTION FACILITIES INSTALLATION |
| A. Temporary Fire Protection: Until fire-protection needs are supplied by permanent facilities, install and maintain temporary fire-protection facilities of the types needed to protect against reasonably predictable and controllable fire losses. Com... |
| 1. Locate fire extinguishers where convenient and effective for their intended purpose, but not less than one extinguisher on each floor at or near each usable stairwell. |
| 2. Store combustible materials in containers in fire-safe locations. |
| 3. Maintain unobstructed access to fire extinguishers, fire hydrants, temporary fire-protection facilities, stairways, and other access routes for fighting fires. Prohibit smoking in hazardous fire-exposure areas. |
| 4. Provide supervision of welding operations, combustion-type temporary heating units, and similar sources of fire ignition. |
| B. Barricades, Warning Signs, and Lights: Comply with standards and code requirements for erection of structurally adequate barricades. Paint with appropriate colors, graphics, and warning signs to inform personnel and the public of the hazard being... |
| C. Environmental Protection: The government will delineate environmentally sensitive areas and establish construction boundaries. Contractor must obtain written permission from Contracting Officer to exceed the construction boundaries. Provide prot... |
| 3.5 OPERATION, TERMINATION, AND REMOVAL |
| A. Maintenance: Maintain facilities in good operating condition until removal. Protect from damage by freezing temperatures and similar elements. |
| 1. Maintain operation of temporary enclosures, heating, cooling, humidity control, ventilation, and similar facilities on a 24-hour basis where required to achieve indicated results and to avoid possibility of damage. |
| 2. Protection: Prevent water-filled piping from freezing. Maintain markers for underground lines. Protect from damage during excavation operations. |
| B. Termination and Removal: Unless the Contracting Officer requests that it be maintained longer, remove each temporary facility when the need has ended, when replaced by authorized use of a permanent facility, or no later than Completion. Complete ... |
| 1. Materials and facilities that constitute temporary facilities are the Contractor's property. The Contracting Officer reserves the right to take possession of project identification signs. |
| 2. At Substantial Completion, clean and renovate permanent facilities used during the construction period including, but not limited to, the following: |
| a. Replace air filters and clean inside of ductwork and housings. |
| b. Replace significantly worn parts and parts subject to unusual operating conditions. |
| c. Replace lamps burned out or noticeably dimmed by hours of use. |
| 01561_Erosion_Control |
| 1. |
| 1.1 summary |
| A. This work consists of temporary measures to control soil erosion and water pollution, through the use of berms, dikes, dams, sediment basins, silt fences, brush barriers, fiber mats, netting, gravel, mulches, grasses, slope drains, and other device... |
| B. The control provisions shall be coordinated with the permanent erosion control features in the contract to ensure economical, effective, and continuous protection throughout the construction period. |
| C. Erosion control measures shall be taken during the development of the well with respect to the well cuttings and the water run-off produced by the new well testing. |
| 2. |
| 3. |
| 3.1 PERFORMANCE |
| A. Prior to the start of construction, the Contractor shall submit to the Contracting Officer for approval a schedule for temporary and permanent control work for each phase of work (clearing and grubbing, grading, structures, and so forth). No work ... |
| B. All permanent erosion control features shall be incorporated into the project at the earliest practicable time as outlined in the approved schedule to minimize the need for temporary erosion control. |
| C. Clearing and grubbing shall be scheduled and performed so that grading operations and permanent erosion control measures can follow without interference. |
| D. Temporary erosion and pollution control measures required due to the Contractor's negligence, carelessness, or failure to install permanent controls as scheduled shall be performed by the Contractor at his own expense. |
| E. Erosion control features shall be maintained by the Contractor during the contract. Temporary controls shall be dismantled and properly disposed of off the National Forest Land. |
| F. Well head erosion control as per Section 15220 – Water Well. |
| 01700_Contract_Closeout |
| 02001_Survey |
| 02100_Demolition |
| 02130_Clear_Grub |
| PART 1 - GENERAL |
| 1.1 DESCRIPTION |
| A. This work consists of providing equipment, labor and materials necessary to complete clearing and grubbing within the waterline, and utility clearing limits and selective clearing outside of the clearing limits. It includes but is not limited to: |
| 1. Protection of existing trees and adjacent property; |
| 2. Grubbing tree stumps, debris, and other vegetation; |
| 3. Clearing and grubbing where some trees and vegetation are designated to remain; |
| 4. Topsoil stripping (conservation) and; |
| 5. Clearing. |
| 1.2 CODES AND REGULATIONS |
| A. All work shall comply with the rules and regulations of Federal, State, and local agencies having jurisdiction. |
| 1.3 REFERENCE POINTS |
| A. Maintain all construction survey stakes, hubs, bench marks, and reference points. Replacement of such items will be done at no expense to the Government. |
| 1.4 JOB CONDITIONS |
| A. Traffic. |
| 1. Conduct clearing and grubbing operations to ensure minimum interference with roads, streets, walks, and other adjacent occupied or used facilities. |
| 2. Do not close or obstruct streets, walks or other occupied or used facilities without written permission from Contracting Officer. |
| B. Protection of Existing Improvements. |
| 1. Provide protection necessary to prevent damage to existing improvements indicated to remain in place. |
| 2. Protect improvements on adjoining properties and on Government property. |
| 3. Restore damaged improvements to their original condition, as acceptable to the Government. |
| C. Protection of Existing Trees and Vegetation. |
| 1. Protect existing trees and other vegetation indicated to remain in place, against unnecessary cutting, breaking or skinning of roots, skinning and bruising of bark, smothering of trees by stockpiling construction materials or excavated materials wi... |
| 2. Provide temporary guards to protect trees and vegetation to be left standing. |
| 3. Where any trees are damaged, or where limbs are required to be trimmed or removed because of operations under this contract, or because of interference with new construction, any cutting or removal of limbs or branches shall be done only with prior... |
| 4. Solvents, oils, and other material, which may be harmful to plant life, shall be placed in appropriate containers and properly disposed of off National Forest land. |
| 5. At the completion of the Work, any contaminated soil shall be removed; properly disposed of off of National Forest land; and replaced with topsoil. |
| 1.5 SUBMITTALS |
| A. Contractor shall submit a disposal plan for slash and debris generated by clearing and grubbing operations to the Contracting Officer prior to commencement of the Work. |
| PART 2 - PRODUCTS |
| 2.1 BACKFILL MATERIAL |
| A. Backfill. |
| 1. Backfill material shall conform to Section 02320. |
| 2. Compact backfill in accordance with Section 02320. |
| B. Tree wound dressing. |
| 1. Furnish a commercially available product with asphalt base and fungicide. Furnish material that is antiseptic, waterproof, adhesive, and elastic. Do not use material that is harmful to living tree tissue such as kerosene, coal tar, or creosote. |
| PART 3 - EXECUTION |
| 3.1 GENERAL |
| A. Remove trees, shrubs, grass, and other vegetation, except for those indicated to be left standing. |
| B. Remove other debris interfering with installation of new construction. |
| C. Remove such items elsewhere on site or premises as specifically indicated. |
| D. Completely grub stumps, roots, and other debris protruding through ground surface. |
| E. Carefully and cleanly cut roots and branches of trees indicated to be left standing, where such roots and branches obstruct new construction. |
| F. Clearing shall be kept to a minimum within the specified working limits and care exercised to not damage the root system of adjacent trees or shrubbery. |
| 3.2 CONSERVATION OF TOPSOIL |
| A. Conserve native topsoil that is free from large roots, branches and inorganic material such as concrete and asphalt for use as SHOWN ON THE DRAWINGS or as designated by the Contracting Officer. |
| B. Pile topsoil removed during clearing and grubbing in locations designated by the Contracting Officer. |
| 3.3 GRUBBING |
| A. All roots over 3-inches in diameter shall be grubbed to a minimum depth of 6-inches below subgrade. |
| B. Roots over 3-inches in diameter protruding from the excavated slope shall be cut flush with the excavated slope surface. |
| C. Use only hand methods for grubbing inside drip line of trees indicated to be left standing. |
| 3.4 SITE FINISHING |
| A. Spread conserved topsoil in locations designated by the Contracting Officer. |
| B. Fill depressions caused by clearing and grubbing operations with satisfactory soil material, unless further excavation or earthwork is indicated. |
| C. Place fill material in horizontal layers not exceeding 6-inches loose depth and thoroughly compact to a density equal to adjacent original ground. |
| D. Prior to beginning earthwork under Section 02320, the Contractor shall request approval of Work under this section from the Contracting Officer. |
| 3.5 DISPOSAL OF MATERIALS |
| A. Dispose of all construction slash and debris generated by clearing and grubbing operations off National Forest Lands. |
| END OF SECTION |
| 02233_Watering |
| 1. |
| PART 1 - GENERAL |
| 1.1 SUMMARY |
| A. The work of this section consists of furnishing, hauling, and applying water required in the compaction of embankments, backfills, subgrade, and base course; and for dust control, and other construction operations. Watering is considered incidenta... |
| 1.2 RELATED REQUIREMENTS |
| A. Contractor is responsible for providing all required water. |
| 2. |
| 2.1 WATER |
| A. Free of debris, organic matter, and other objectionable substances. |
| 3.1 APPLICATION |
| A. Apply water for compaction and dust control by means of pressure-type distributors or pipeline equipped with a spray system with nozzles that will ensure a uniform application of water. |
| 3.2 EQUIPMENT |
| A. Provide all necessary pumping equipment, piping, meters, tanks, and water trucks. Water trucks shall be of at least 1,000-gallon capacity, equipped with a spray bar of ample capacity, and designed to ensure uniform and controlled application of w... |
| 3.3 PREWETTING |
| A. Prewetting the material in excavation areas prior to its removal for placement in embankments will be permitted when accomplished in an acceptable manner. If prewetting is done with a sprinkler system, the water shall be metered through approved ... |
| B. During prewetting, avoid excessive runoff and minimize water waste. Any required drying of prewetted embankment soils shall be done at no additional expense to Government. |
| 02320_Earth_Work |
| PART 1 - GENERAL |
| 1. Contractor shall submit written certification that materials used for backfill and materials used for granular rock base meet the requirements specified herein. |
| 1. On site borrow: |
| a. Small quantities of borrow materials if needed may be obtained from an area designated on site or nearby by the Contracting Officer. |
| 1) On site borrow areas shall be finish graded in accordance with Sub-part 3.7 of this section. |
| 2) No bowls or hollows capable of catching and holding precipitation or runoff shall be left after finish grading of on site borrow areas. |
| 2. Off site borrow: |
| a. Off site borrow shall be from a commercial source approved by the Contracting Officer. |
| b. Contractor shall certify to the Contracting Officer that the off site borrow meets the criteria specified herein for its intended use. Certification shall include an engineering soil classification, sieve analysis, and moisture density curve. |
| PART 2 - PRODUCTS |
| 2.1 BACKFILL MATERIALS |
| A. GENERAL |
| 1. The Contracting Officer shall approve all backfill material. Materials used for backfill shall be free from frozen or organic matter and contain no deleterious substances. Backfill materials shall be obtained from on site excavation and commercia... |
| Table 02320-1 |
| Classification and Standards for Trench Backfill |
| B. CONCRETE ENCLOSURE BACKFILL |
| 1. Bedding material for concrete enclosures shall be fine sand or soil, 100% passing the No. 8 Sieve, without sharp chips or points. |
| 2. ¾-inch gradation of aggregate materials for concrete utility boxes shall be as shown in Table 02320-2. |
| Table 02320-2 |
| Concrete Enclosure Backfill Gradation |
| C. PLASTIC ENCLOSURE BACKFILL |
| 1. Backfill materials around plastic/polyethylene utility boxes and manholes shall either in accordance with the manufacturer’s installation instructions or sand. |
| D. AGGREGATE BASE FOR CONCRETE SLABS, ROADWAYS, AND PARKING LOTS |
| 1. Material for concrete slabs and paved areas shall be CalTrans Class II base and free of organic matter and other deleterious materials. |
| E. SAND |
| 1. Use only clean natural sand, free of organic debris and salts. |
| F. SURPLUS EXCAVATION |
| 1. Acceptable surplus excavation shall be obtained from on-site excavation and demolition activities that are well graded with no rocks having a dimension greater than 2-inches. |
| 2. Excess material meeting the requirements of “General Fill” may also be used as surplus excavation. |
| 2.2 COMPACTION EQUIPMENT |
| A. Compaction equipment shall be capable of obtaining compaction requirements without detrimentally affecting the compacted material. The compacting equipment may be of any type, provided they are capable of achieving the compaction for each lift of ... |
| B. Minimum requirements for rollers are as follows: |
| 1. Tamping or sheep foot rollers shall meet the following minimum requirements: |
| a. Diameter – 40". |
| b. Completely filled with liquid. |
| 2. Grid rollers shall be capable of exerting a force of 250 pounds per inch of width of roller drum. |
| 3. Steel-wheel rollers, other than vibratory, shall be capable of exerting a force of not less than 250 pounds per inch of width of the compression roll or rolls. |
| 4. Vibratory steel-wheel rollers shall have a minimum weight of 6 tons. The compactor shall be equipped with amplitude and frequency controls and specifically designed to compact the material on which it is used. |
| C. Pneumatic-tire rollers shall have smooth tread tires of equal size that provide a uniform compacting pressure for the full width of the roller and shall meet the following minimum requirements: |
| 1. Towed rollers: |
| a. Ballast density shall exceed 100 pounds per cubic foot. |
| b. Volume of ballast shall exceed 7 cubic feet per tire. |
| c. Tire pressure shall exceed 45 pounds per square inch. |
| 2. Self propelled rollers: |
| a. Shall exert a force that exceeds 200 pounds per linear inch of rolling width. |
| PERCENT PASSING |
| U.S. STANDARD SIEVE SIZE |
| PART 3 - EXECUTION |
| 3.1 GENERAL EXCAVATION AND DISPOSAL |
| A. Topographic drawings of the project are intended for reference only. Contractor shall verify all actual site conditions, levels, and grades prior to beginning work and inform the Contracting Officer of any discrepancies that exist. |
| B. Clearing and grubbing shall be accomplished before excavation or backfill placement begins. Slash disposal and grubbing of stumps, when approved by the Contracting Officer, may proceed concurrently with excavation, and the burning of slash, if bur... |
| C. All material to be excavated shall be unclassified and shall include earth fills, gravels, boulders, debris, and any other materials encountered in excavation and grading operations. |
| D. All suitable, excavated material shall be used in the construction of embankments, subgrades, shoulders, slopes, bedding, and backfill for structures and for other purposes as SHOWN ON THE DRAWINGS and SPECIFIED HEREIN. Excess suitable material sh... |
| E. All excavations of every description and of whatever substances encountered shall be performed to the depth SHOWN ON THE DRAWINGS, STAKED ON THE GROUND, OR SPECIFIED HEREIN. All materials shall be piled in an orderly manner a sufficient distance ... |
| F. Undercutting will not be permitted. |
| G. Material encountered in the excavation, suitable for topsoil, cushion, road finishing, or other purposes, may be conserved and utilized as such when approved by the Contracting Officer. |
| H. Unsuitable material found at the maximum depth of excavation that does not have the required bearing capacity AS SHOWN ON THE DRAWINGS or that has been disturbed or weakened by construction activity shall be excavated. Disposal of unsuitable materi... |
| I. The Government will not make payment on excavations beyond indicated limits unless the Contracting Officer in advance of doing the work authorizes such excavations. Over excavation shall be restored to specified elevations with compacted backfill ... |
| J. Rocks too large to be incorporated into the embankment shall be broken for incorporation into the embankment, maneuvered to the face of the embankment and embedded so that they will not roll or obstruct the use and maintenance of the roadbed, or mo... |
| K. Sheeting and shoring should be used as is necessary for the protection of the work and for the safety of personnel. Excavations shall be by open cut. Whenever depth of excavation exceeds 5 feet, the surface shall be sloped back at a 1-1/2 to 1 sl... |
| L. Water encountered during excavation operations shall be removed from the excavation as required. Separate payment will not be made for pumping of water from trenches or for excavation of material rendered unsuitable as a result of water encountered. |
| 3.2 EXISTING IMPROVEMENTS |
| A. Maintain and protect utility service lines passing through the work area. |
| B. The Contractor's attention is directed to the existence of pipe and other underground improvements, which may or may not be shown on the drawings. All reasonable precautions shall be taken to preserve and protect any such improvements. The contra... |
| C. Contractor shall be aware of the possible existence of underground utilities and improvements which may be in place but not shown on the drawings. If such are encountered the contractor shall notify the Contracting Officer immediately and take pre... |
| D. Where existing utilities or improvements interfere with the work, they shall not be removed, relocated, or otherwise disturbed unless authorized by the Contracting Officer. |
| 3.3 EXCAVATION FOR UTILITY TRENCHES |
| A. Conform to the requirements for general excavation and the following: |
| 1. Trenches shall be AS SHOWN ON THE DRAWINGS for properly laying utility lines. Water line trenches shall be uniformly graded to avoid high points that would necessitate the placing of air valves in the water lines. Trenches shall be of a depth to ... |
| 2. All roots shall be cut and removed from trenches. Bottoms of trenches shall be accurately graded to an elevation below the grade line of the proposed utility line as SHOWN ON THE DRAWINGS. |
| 3.4 EXCAVATION FOR CONCRETE STRUCTURES |
| A. Conform to the requirements for general excavation and the following: |
| 1. Extend excavation beyond exterior finished structure dimensions to allow for placing and removal of forms and other appurtenances. |
| 2. Over excavation beyond footing dimensions SHOWN ON THE DRAWINGS shall be filled with concrete poured integrally with the footing. |
| 3. Depth of excavation for slabs on grade shall be sufficient to allow for aggregate base, vapor barrier, sand, and slab thickness AS SHOWN ON THE DRAWINGS. |
| 3.5 EXCAVATION FOR DRAINAGES |
| A. Excavation for drainages includes construction of ditches, and other minor earth drainage features. Excavated materials shall be utilized as SPECIFIED HEREIN. |
| 3.6 BACKFILL PLACEMENT |
| A. GENERAL BACKFILL PLACEMENT |
| 1. Fill material shall be placed and compacted at moisture content suitable for compaction. |
| 2. Excessively wet material that is otherwise suitable for embankment shall be field drained and dried to the moisture content suitable for compaction. |
| 3. No fill material shall be placed when free water is standing on the surface of the area where the fill is to be placed and no compaction of fill will be permitted with free water on any point of the surface of the fill to be compacted. |
| 4. Any fill containing organic materials or other unacceptable material previously described shall be removed and replaced with approved fill material prior to compaction. |
| 5. The Contractor must obtain approval from the Contracting Officer prior to backfilling. |
| 6. Unless otherwise specified, all backfill not accessible to roller compaction shall be compacted by power tampers, vibratory compactors or other approved means to the degree of compaction specified. |
| B. BACKFILL PLACEMENT FOR UTILITY TRENCHES |
| 1. LOWER PORTION OF UTILITY TRENCHES |
| a. Bedding material shall be used to provide a cushion below, adjacent to, and above the utility line as SHOWN ON THE DRAWINGS. |
| b. Bedding material shall be deposited in six-inch-maximum-thickness layers. |
| c. The bedding material shall be compacted to a density of at least 90 percent of maximum density, as determined by AASHTO T-180 Method C. |
| 2. MIDDLE PORTION OF UTILITY TRENCHES |
| a. Secondary backfill placed on top of the utility shall be used to provide conduit protection. |
| b. Secondary backfill material shall be deposited in layers not to exceed eight inches. |
| c. The Secondary backfill material shall be compacted to a density of at least 90 percent of maximum density, as determined by AASHTO T-180 Method C. |
| 3. UPPER PORTION OF UTILITY TRENCHES |
| a. Backfill material in the upper portion of trenches passing under areas of proposed buildings, roadways, sidewalks, and parking lots shall be comprised of materials placed and compacted according to the same requirements as the surrounding base. |
| b. Final backfill material in the upper portion of trenches passing through areas not under proposed buildings, roadways, sidewalks, or parking lots shall be comprised of final backfill material. |
| c. Final backfill material shall be deposited in layers not to exceed 8-inches. |
| d. Final backfill shall be compacted to a density at least equal to that of the adjacent undisturbed native soil. |
| e. Warning Tape shall be installed in the utility trench as SHOWN ON THE DRAWINGS. |
| C. BACKFILL PLACEMENT AROUND ENCLOSURES |
| 1. Valve boxes shall be surrounded by a minimum of 3-inches on all sides with bedding material unless otherwise SHOWN ON THE DRAWINGS. |
| 2. The backfill material shall be placed in layers not more than 6-inches thick. |
| 3. The backfill material shall be compacted uniformly through its entire depth to a density equal to that of the adjacent undisturbed native soil. |
| D. BACKFILL PLACEMENT FOR ROADWAYS, AND PARKING LOTS |
| 1. GENERAL |
| a. Embankments shall be constructed of suitable material and compacted uniformly throughout the depths specified to the percent of maximum density specified in Table 02320-3 as determined by AASHTO T-180, Method C. |
| Table 02320-3 |
| Backfill Compaction Density Requirements |
| b. Compaction of not less than 95 percent of AASHTO T-180, Method C, shall be obtained for the top 12 inches of subgrade for the width SHOWN ON THE DRAWINGS in both excavation and embankment sections. |
| 2. LAYER PLACEMENT |
| a. Embankment shall be placed in horizontal layers not exceeding 12 inches (loose measure) and compacted. Each embankment layer shall be leveled and smoothed before placement of subsequent layers. Hauling and spreading equipment shall be operated un... |
| b. Where material containing large amounts of rock is used to construct embankments, a solid embankment with adequate compaction shall be constructed by working smaller rock and fines in with the larger rocks to fill the voids and by operating hauling... |
| c. Placing individual rocks greater than 9 inches in diameter will not be permitted. |
| d. Material shall be at moisture content suitable for attaining the required density. |
| e. Cohesive soils that have become hard or lumpy, or that have been piled and have become dry, shall be broken up and properly conditioned for moisture content immediately before placement. |
| f. Surfaces on which compacted fill will be placed shall be wetted or dried as may be required to obtain the compaction specified. |
| 3. FINISHING SLOPES |
| a. Finished slopes shall conform reasonably to the lines SHOWN ON THE DRAWINGS and the approved final locations STAKED ON THE GROUND. The finished slope shall be left in a roughened condition to facilitate the establishment of vegetative growth. The... |
| E. BACKFILL PLACEMENT FOR CONCRETE STRUCTURES |
| 1. GENERAL |
| a. Prior to placement of backfill, all forms shall be removed and the excavation be cleaned of all trash, debris and unsuitable material. |
| b. Where self-propelled or power mechanical compaction is used, the uncompacted thickness of each lift of backfill shall be not more than 12 inches. |
| c. Where hand-operated mechanical compaction is used, the backfill shall be placed in layers of not more than six inches. |
| F. BACKFILL PLACEMENT FOR SURPLUS EXCAVATION |
| 1. Surplus excavation shall be placed at locations SHOWN ON THE DRAWINGS. Compaction shall be accomplished by operating the spreading equipment over the full width of the backfill section. |
| 3.7 FINISH SITE GRADING |
| A. All areas covered by the project, including excavated and filled areas and adjacent transition areas, shall be uniformly graded so that finished surfaces are at the elevations SHOWN ON THE DRAWINGS. |
| B. Areas to receive future topsoil shall be graded to allow for such material in the finished elevations. |
| C. Finished surfaces and surfaces to receive paving and aggregate base shall be reasonably smooth, compacted and free from surface irregularities that would affect drainage. |
| D. Ditches and swales shall be finished to permit proper surface drainage. |
| 3.8 FIELD QUALITY CONTROL |
| A. Testing Agency: Contractor shall engage a qualified independent commercial sampling and testing laboratory and field-inspecting agency (here after referred to as the testing laboratory) to perform field tests and inspections in accordance with Tab... |
| 1. Contractor shall submit written certification that the testing laboratory is qualified to perform such tests. Certification by the California Department of Transportation (CALTRANS) within one year of the Work is acceptable. |
| 2. Such work shall be certified, in writing, to the Contracting Officer. A complete record of all laboratory work shall be attached. |
| B. Where fill, backfill, or in-place materials are required to be compacted to a specified density, the maximum density for control shall be determined by using AASHTO T180 method C. The results of these tests shall be the basis upon which satisfacto... |
| C. The density of the fill material shall be determined during the progress of the work by AASHTO, T-191 or T-205 or T-238. Moisture of the fill material shall be determined by T-217 or T239 or T-255. Adjustment for coarse particles will be made in ... |
| D. In areas where field density test results indicate less than the required degree of compaction, or in areas where previously accepted compaction has been disturbed, the backfill shall be replaced, reworked and/or compacted to obtain the required re... |
| 1. Additional testing and inspecting, at Contractor's expense, shall be performed to determine compliance of replaced or additional work with specified requirements. |
| Table 02320-4 |
| Sampling And Testing Frequency, Location, And Reporting Time |
| 02502_Utility Line Marking |
| 1 |
| 1 .1 DESCRIPTION |
| A. The work of this section consists of furnishing and installing utility line marking. |
| 1 .2 SUBMITTALS |
| A. As specified in Section 01300. |
| B. Samples: 24-inch strips of tape and 2 markers. |
| C. Certification that the materials used in the tape fabrication meet the requirements of this section. |
| D. Installation procedure if the cable is installed by plowing. |
| 2 |
| 2 .1 MARKING TAPE |
| A. Capable of being inductively detected electronically. |
| B. Construction: Metallic foil laminated between two layers of impervious plastic film not less than 2 inches wide. Total thickness of tape shall not be less than 0.005 inch (5 mil) plus or minus 10 percent manufacturing tolerances. |
| 1. Film: Inert plastic. Each film layer shall be not less than 0.0005 inch thick (0.5 mil). |
| 2. Foil: Not less than 0.00035 inch thick (0.35 mil). |
| 3. Adhesive: Compatible with foil and film. |
| C. Imprint: 3/4-inch or larger bold black letters. |
| D. Legend: Identify buried utility line tape with imprint such as "Caution: Water Line Below". Repeat identification at approximately 24-inch intervals. |
| E. Background Color: APWA color code and as specified below: |
| F. Manufacturer meeting these specifications; |
| Lineguard, Inc. Wheaton, Illinois |
| Reef Industries Inc. Houston, Texas |
| Thor Enterprises, Inc., Sun Prairie, Wisconsin |
| Approved equal. |
| 3 |
| 3 .1 MARKING TAPE |
| A. Install tape in backfill directly over each buried utility line as shown. Place tape by plowing or during final backfilling. |
| B. Where utilities are buried in a common trench, the tape shall be 6 inches wide and read "Utilities Buried Below". |
| 3 .2 ELECTRICAL CABLE AND CONDUIT SURFACE MARKERS |
| A. In addition to marking tape, install surface markers at all changes in horizontal direction or at intervals not exceeding 400 feet. |
| 03300_Cast-in-Place Concrete |
| 1.1 RELATED DOCUMENTS |
| A. Drawings and general provisions of the Contract, and Division 1 Specification Section, apply to this Section. |
| 1.2 SUMMARY |
| A. This Section specifies cast-in place concrete, including formwork, reinforcement, concrete materials, mix design, placement procedures, and finishes. This work includes cast-in-place concrete for building foundations, slab-on-grades, exterior and ... |
| 1.3 SUBMITTALS |
| A. Product Data: For each type of manufactured material and product indicated. |
| B. Design Mixes: For each concrete mix. Include alternate mix designs when characteristics of materials, project conditions, weather, test results, or other circumstances warrant adjustments. |
| 1. Indicate amounts of mix water to be withheld for later addition at Project site. |
| 1.4 QUALITY ASSURANCE |
| A. Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products complying with ASTM C 94 requirements for production facilities and equipment. |
| B. Testing Agency Qualifications: An independent testing agency, acceptable to authorities having jurisdiction, qualified according to ASTM C 1077 and ASTM E 329 to conduct the testing indicated, as documented according to ASTM E 548. |
| 1. Personnel conducting field tests shall be qualified as ACI Concrete Field Testing Technician, Grade 1, according to ACI CP-1 or an equivalent certification program. |
| C. Source Limitations: Obtain each type or class of cementitious material of the same brand from the same manufacturer's plant, each aggregate from one source, and each admixture from the same manufacturer. |
| D. ACI Publications: Comply with the following, unless more stringent provisions are indicated: |
| 1. ACI 301, "Specification for Structural Concrete." |
| 2. ACI 117, "Specifications for Tolerances for Concrete Construction and Materials." |
| 1.5 DELIVERY, STORAGE, AND HANDLING |
| A. Deliver, store, and handle steel reinforcement to prevent bending and damage. |
| 1. Avoid damaging coatings on steel reinforcement. |
| 2. Repair damaged epoxy coatings on steel reinforcement according to ASTM D 3963. |
| 2. |
| 2.1 FORM-FACING MATERIALS |
| A. Smooth-Formed Finished Concrete: Form-facing panels that will provide continuous, true, and smooth concrete surfaces. Furnish in largest practicable sizes to minimize number of joints. |
| 1. Plywood, metal, or other approved panel materials. |
| B. Chamfer Strips: Wood, metal, PVC, or rubber strips, 3/4 by 3/4 inch, minimum. |
| C. Form-Release Agent: Commercially formulated form-release agent that will not bond with, stain, or adversely affect concrete surfaces and will not impair subsequent treatments of concrete surfaces. |
| 2.2 STEEL REINFORCEMENT |
| A. Reinforcing Bars: ASTM A 615, Grade 60, deformed. |
| B. Plain-Steel Welded Wire Fabric: ASTM A 185, fabricated from as-drawn steel wire into flat sheets. |
| 2.3 REINFORCEMENT ACCESSORIES |
| A. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars and welded wire fabric in place. Manufacture bar supports according to CRSI's "Manual of Standard Practice" from steel wire, plasti... |
| B. Joint Dowel Bars: Plain-steel bars, ASTM A 615, Grade 60. Cut bars true to length with ends square and free of burrs. |
| 2.4 CONCRETE MATERIALS |
| A. Portland Cement: ASTM C 150, Type I/II. |
| B. Normal-Weight Aggregate: ASTM C 33, uniformly graded, and as follows: |
| 1. Class: Severe weathering region, but not less than 3S. |
| 2. Nominal Maximum Aggregate Size: 3/4 inch. |
C. Water: Potable and complying with ASTM C 94.
| 2.5 ADMIXTURES |
| A. General: Admixtures certified by manufacturer to contain not more than 0.1 percent water-soluble chloride ions by mass of cementitious material and to be compatible with other admixtures and cementitious materials. Do not use admixtures containin... |
| B. Air-Entraining Admixture: ASTM C 260. |
| C. Water-Reducing Admixture: ASTM C 494, Type A. |
| D. Calcium chloride or admixtures containing more than 0.1% chloride ions are not permitted. |
| 1. Available Products: Subject to compliance with requirements, products that may be incorporated into the Work include, but are not limited to, the following: |
| a. Catexol 1000CL; Axim Concrete Technologies. |
| b. MCI 2000 or MCI 2005; Cortec Corporation. |
| c. DCI or DCI-S; W. R. Grace & Co., Construction Products Div. |
| d. Rheocrete 222+; Master Builders, Inc. |
| e. FerroGard-901; Sika Corporation. |
| f. Retarders – Shall be submitted to the Contracting Officer 10 days prior to pouring concrete. |
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