Attach 01 List of Specifications.pdf

00860-1

JOHNSONDALE AND PORTERVILLE WORK CENTERS

SEWER SYSTEM PROJECT

LIST OF SPECIFICATIONS

DIVISION 1 – GENERAL REQUIREMENTS

Section 01010 – Summary of Work Section 01301 – Mobilization

DIVISION 2 – SITE WORK

Section 02320 – Trench Excavation and Backfill Section 02610 – Patch Pave

DIVISION 15 – MECHANICAL

Section 15151 – Gravity Sewer Piping and Appurtenances Section 15152 – Rehabilitation of Gravity Sewer Piping and Appurtenances Using “Trenchless” Technology Section 15192 – Natural Gas Piping Section 15400 – Building plumbing

END OF SECTION

DIVISION 1

GENERAL REQUIREMENTS

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SECTION 01010

SUMMARY OF WORK

PART 1 - GENERAL

1.1 DESCRIPTION OF WORK

A. The intent of this contract is to rehabilitate two sewer distribution systems at administrative sites by replacing deteriorated sewer lines and associated components. The contract includes installing new sewer lines, laterals, cleanouts, and accessories; water, sewer, electrical, and gas service for laundry hook ups as shown on plans, and options for additional sewer line replacement work at Porterville, for line “C”, at the selection of the Government.

B. Alternative methods: Contractors may propose alternative methods of sewer line rehabilitation for consideration by the government. Contractor will perform and submit a project proposal to be evaluated by the government based on price and technical.

C. This project requires the Contractor to supply all labor, materials, equipment, tools, transportation, freight and delivery; identify existing underground utilities and all necessary licenses and permits required to complete the project in conformity with the drawings and specifications, and in accordance with the provisions of the contract.

D. Project locations:

1. Johnsondale Work Center is located in Johnsondale, CA. From Porterville CA, go

South on Plano for 15 miles to Fountain Springs. Take a slight left onto Hot Springs road to California Hot Springs. Turn left on county road M50 toward Parker Pass and Johnsondale after 39 miles. After crossing Parker Pass and nearing Johnsondale, it will become County Road M99. Continue for 1 mile, turn south (Right) at Johnsondale Blvd. Follow the road thru R-Ranch and past the lake to FS Road 22S10. The Johnsondale Work Center will be on your Right.

2. Porterville Work Center is located at 480 N. Henrahan St., Porterville, CA 93257.

1.2 MEASUREMENT AND PAYMENT

A. Unit of Measurement:

1. Each (EA). One complete assembly or unit which may consist of one or more parts, as described in the specifications; furnished and installed.

2. Linear Foot (LF). One unit of work measuring one foot in length parallel to the work surface, regardless of width or thickness of material.

3. Lump Sum (LS). One complete unit, which may consist of one or more parts.

Method of Measurement:

1. Actual Quantity (AQ). These quantities denote a unit of measurement based on measurement of actual work completed in the field and measured for payment.

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

B. Payment:

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1. For each individual item listed here and in the Schedule of Items, payment shall be full compensation for all work related to the particular item in accordance with these specifications, as shown on the drawings, and as staked in the field.

2. Measurement and payment for contract work shall be made only for and under those pay items included in the SCHEDULE OF ITEMS. All other work and materials shall be considered incidental or as included in the payment for items shown.

C. Description of Bid (Pay) Items - Descriptions of bid items in this section are an abbreviated explanation of pay items and may not include all requirements to complete the Work required for each item. Contractor should refer to the Schedule of Items, Contract Sections, Drawings, and Specifications for complete details. Mobilization to the project location;

wood work; cleaning; demolition of existing features, and removal off of Forest Service land is considered incidental to the following pay items.

1. Item No. 01301 - (01A, 01B) – Mobilization: Item consists of all preparatory work and operations necessary for the movement of personnel, equipment, supplies, and incidentals to the project sites to complete the related work. Progress payments shall be made in accordance with section 01301. There shall be no separate mobilization paid under this contract except where specified in this Section.

a. Measurement and Payment. The accepted quantities will be paid for at the unit price as shown in the SCHEDULE OF ITEMS.

1) Unit of measurement: Lump Sum (LS).

2) Method of measurement: Lump Sum Quantity (LSQ).

2. Items No. 15151 - (01A, 01B, and OPTIONAL ITEM 01C) – Item consists of furnishing and installing 4” diameter sewer line, cleanouts, connections, fittings, and accessories necessary to complete the sewer line replacements AS SHOWN ON THE DRAWINGS. Trench excavation, backfill, compaction, sewer line marking tape, sewer line testing, and patch pave are incidental to this pay item.

a. Measurement and Payment. The accepted quantities will be paid for at the unit price as shown in the SCHEDULE OF ITEMS.

1) Unit of measurement: Linear Foot (LF)

2) Method of measurement: Actual Quantity (AQ)

3. Items No. 15151 - (02A, 02B, and OPTIONAL ITEM 02C) – Item consists of furnishing and installing 4” diameter sewer line laterals, cleanouts, connections, fittings, and accessories necessary to complete the sewer line lateral replacements AS SHOWN ON THE DRAWINGS. Trench excavation, backfill, compaction, sewer line marking tape, sewer line testing, and patch pave are incidental to this pay item.

a. Measurement and Payment. The accepted quantities will be paid for at the unit price as shown in the SCHEDULE OF ITEMS.

1) Unit of measurement: Linear Foot (LF)

2) Method of measurement: Actual Quantity (AQ)

4. Items No. 15152 (01A) – Item consists of furnishing and installing 4” diameter sewer line, connections, fittings, and accessories necessary to complete the sewer line replacement using “Trenchless Technology” AS SHOWN ON THE DRAWINGS. Pit excavations for equipment, backfill, compaction, and surface finishes are incidental to this pay item.

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a. Measurement and Payment. The accepted quantities will be paid for at the unit price as shown in the SCHEDULE OF ITEMS.

1) Unit of measurement: Linear Foot (LF)

2) Method of measurement: Actual Quantity (AQ)

5. Items No. 15400 (01A) – Item consists of providing the supplies, materials, and labor necessary to complete installation of the travel trailer sewer hookup, and laundry hookups in the pressure washer building including water connection, sewer connection, electrical connection, and natural gas connection including gas line extension, all AS SHOWN ON THE DRAWINGS. Trench excavation, backfill, compaction, gas line marking tape, and utility line leak testing (water, sewer, and gas) are incidental to this pay item.

a. Measurement and Payment. The accepted quantities will be paid for at the unit price as shown in the SCHEDULE OF ITEMS.

1) Unit of measurement: Lump Sum (LS).

2) Method of measurement: Lump Sum Quantity (LSQ).

1.3 SPECIFICATIONS, DRAWINGS, AND SUBMITTALS

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.

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 remain as specified or AS SHOWN ON THE

DRAWINGS.

C. Provide submittals for review and approval as follows at least seven days prior to the start of work.

1. Contractor’s construction schedule showing the planned completion of work by date and location.

2. Submit shop drawings for approval for all components that are in variance from that specified or SHOWN ON THE DRAWINGS or which vary in dimension, slope, configuration, etc. The Government retains the right to reject any component or system that is not fully comparable to that specified herein.

3. Submit product material data sheets for construction materials to be used on this project. For all pipe, pipe fittings, and appurtenances for the sewer system, the Government retains the right to reject any component or system that in its opinion is not fully comparable to that specified herein.

1.4 MEALS AND LODGING

A. Meals or lodging will not be available at Forest Service facilities.

1.5 CONSTRUCTION ADMINISTRATION

A. No dumping of waste products of any type will be permitted. All waste shall be transported to an approved sanitary landfill disposal off Forest Service land.

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B. The Contractor may use the toilet facilities at the facility where the work is being performed.

Contractor shall provide toilet facilities for its employees if the toilet buildings are not utilized.

C. Materials for construction, construction vehicles and equipment may be stockpiled and staged at the project site in an area designated by the Contracting Officer.

D. The Contractor shall take precautions to protect all work and materials during the construction period.

E. The Contractor is responsible for safeguarding the public and employees from construction operations.

F. Contractor shall comply with the provisions of Contract Section C.6 SPECIAL CONDITIONS

AFFECTING THE WORK.

1.6 EROSION CONTROL

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 devices or methods.

B. 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.

C. Erosion control features shall be maintained by the Contractor during the contract. Temporary controls shall be dismantled and properly disposed of off the Forest Land.

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 in this project.

1.8 DEMOLITION

A. All trash, debris, items designated to be removed, and other waste generated as a result of demolition under this specification become property of the Contractor and shall be removed from Forest Service lands and properly disposed in accordance with all applicable Federal, State, and Local Government laws, regulations, rules and/or codes.

B. All construction debris from utilities construction, and demolition of existing conditions, shall be cleaned up and disposed of off National Forest Land. All clearing debris shall be scattered within the clearing limits after utilities construction is complete, and used as a soil stabilizer to help prevent erosion. All vegetative matter including roots, stumps, and logs must be disposed of off National Forest Lands.

1.9 SITE FINISHING

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.

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B. Spread conserved topsoil in locations designated by the Contracting Officer.

C. Fill depressions caused by clearing and grubbing operations with satisfactory soil material, unless further excavation or earthwork is indicated.

D. Place fill material in horizontal layers not exceeding 6-inches loose depth and thoroughly compact to a density equal to adjacent original ground.

E. Prior to beginning earthwork under Section 02320, the Contractor shall request approval of Work under this section from the Contracting Officer.

1.10 PROJECT SITE CLEANUP

A. Project site cleanup includes the removal and proper disposal of all construction trash, debris, residue, and asphalt and concrete slag off of National Forest Land. Items such as miscellaneous construction materials are considered the property of the Contractor and shall be removed from the project site.

B. All spills of petroleum products including leak spots from parked vehicles shall be removed and properly disposed according to all Local, State, and Federal rules, regulations, and laws governing such disposal.

C. During the Work, the Contractor is required to furnish dumpsters or other trash receptacles and to empty such containers either as they become full or weekly, whichever is more frequent. The Contractor shall not place materials of any kind into private or Government trash bins or dumpsters.

D. All suitable excavated material shall be incorporated into the work when possible. Additional suitable borrow material is to be obtained from a "Commercial Source" if enough select backfill is not available. Unsuitable excavated material must be disposed of by the contractor, as an incidental expense with no extra payment. All unsuitable excavated material disposed of by contractor must be delivered off of the project site and off of National Forest Land.

E. All construction debris from utilities construction, and demolition of existing conditions, shall be cleaned up and disposed of off of National Forest Land. All clearing debris shall be scattered within the clearing limits after utilities construction is complete, and used as a soil stabilizer to help prevent erosion. Concrete may be broken up and incorporated in the road fill. All vegetative matter including roots, stumps, and logs must be disposed of off National Forest Land.

1.11 PROJECT CLOSEOUT

A. Removal of Protection: Remove temporary protection and facilities installed for protection of the Work during construction.

B. Compliance: Comply with regulations of authorities having jurisdiction and safety standards for cleaning. Do not burn waste materials. Do not bury debris or excess materials on the Government's property. Do not discharge volatile, harmful, or dangerous materials into drainage systems. Remove waste materials from the site and dispose of lawfully. Clean the site of rubbish, litter, and other foreign substances. Sweep paved areas broom clean; remove stains, spills, and other foreign deposits. Rake grounds that are neither paved nor planted to a smooth, even-textured surface.

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C. The Contractor shall provide the Contracting Officer a set of as-built drawings prior to final acceptance for the new sewer system installed under this contract.

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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: Lump Sum (LS). The Government will only pay for the initial project mobilization to each project location. Additional project mobilizations, regardless of cause, will not be paid. Mobilization is shown on the SCHEDULE OF ITEMS as two pay items (one for each location): Mobilization, Item No. 01301 (01A) and 01301 (01). The Contractor shall apportion the appropriate amounts of mobilization attributed to each pay item; however, the provisions of Subsection 1.3.C. apply.

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.

DIVISION 2

SITE WORK

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SECTION 02320

TRENCH EXCAVATION AND BACKFILL

PART 1 - GENERAL

1.01 Scope

A. This section consists of trench excavation, backfilling, and patch paving with asphalt or concrete as required for gravity or pressure sewer lines AS SHOWN ON THE DRAWINGS.

1.02 Related Sections

Section 02610 – Patch Pave Section 15151 –Sewer Piping and Appurtenances

1.03 Measurement and Payment

A. No separate payment or measurement will be made for work specified in this section. Work is considered incidental to Section 15151.

1.04 References

A. State of California Construction Safety Orders, Title 8, Subchapter 4.

PART 2 – MATERIALS

2.01 Select Bedding Material

A. Bedding material shall be selected mineral soil from trench excavation, or from an approved commercial source. It shall contain rocks no larger than 3/8 inch in dimension, frozen lumps or chunks of highly plastic clay.

2.02 Non Select Material

A. Non-select material shall be material from trench line excavation and free of stones greater than 3 inches in diameter.

2.03 Patch Paving

Shall be as per section 02610.

PART 3 – EXECUTION

3.01 Excavation

A. General

Excavation for trenching construction items shall be performed to the depth and width indicated on the drawings. All material shall be piled in an orderly manner a sufficient distance for the banks of the excavation to avoid overloading and to prevent slides or cave-ins. During construction excavation material considered unsuitable for backfill shall be removed and disposed of as per Section 01010.

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B. Trench Excavation

Trench shall be the minimum width AS SHOWN ON THE DRAWINGS for sewer line. Trenches shall be of a depth to provide the minimum cover AS SHOWN ON THE DRAWINGS, and be uniformly graded to avoid crests and sags so that the entire gravity sewer system drains away from the buildings to the sewage disposal system (city sewer or septic tank). The pressure sewer line shall drain either back to the lift station or forward to the gravity sewer line without sags. Trench depths greater than the minimum shown may be required. The banks of trenches shall be as nearly vertical as possible. Trenching machines capable of trenching the proper trench width may be used. Sewer line trenches crossing existing asphalt or concrete pavement shall have the surfacing material saw cut prior to trenching. All roots larger than 2-inches in diameter shall be cut and removed from the trench. Care shall be taken not to over-excavate. Whenever unsuitable material is encountered in the bottom of a trench, such material shall be over-excavated to a depth of 12 inches to allow for installation of select bedding.

3.02 Backfill

A. Select bedding material shall be used AS SHOWN ON THE DRAWING. Select bedding in in areas other than under roadways and parking areas shall be placed in layers NOT exceeding 12 inches thick (loose measurement), and compacted with equipment to at least 95% of maximum density, as determined by AASHTO T-99, method C or D.

Select bedding in trenches under roadways, spurs, and parking areas shall be placed in the trench in horizontal layers not to exceed six inches in thickness (loose measurement) and compacted with at least three passes of an engine powered vibratory plate compactor or other approved equipment, in the presence of the Contracting Officer.

B. Non- select material shall be placed and compacted in accordance with Section A above. The material shall be free of stones greater than three inches in diameter.

C. Surface restoration in areas other than paved roads – all surfaces shall be restored to original ground line, contour, leveled to a uniform, neat condition. Surface drainage shall be diverted, using water bars, so that water will not follow along a trench when and where directed by the Contracting Officer. All rocks and boulders too large for backfill shall be disposed of as per section 01010.

D. Surface Restoration of Paved Surfaces – All surfaces shall be restored to match existing surfaces, AS

SHOWN ON THE DRAWINGS and specified in Section 02610.

3.03 Excess Material

Excess material shall be removed and disposed of as per Section 01010.

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SECTION 02610

PATCH PAVE

PART 1 GENERAL

1.1 DESCRIPTION

A. This section covers the furnishing of materials and the work necessary to construct patch paving for the sewer line trenching through the administrative site, AS SHOWN ON THE DRAWINGS and specified herein. This includes patching with asphalt or concert in their respective locations AS SHOWN ON

THE DRAWINGS.

1.2 RELATED SECTIONS

Section 02320 – Trench Excavation and Backfill Section 15151 – Sewer Piping and Appurtenances

1 .4 MEASUREMENT AND PAYMENT

A. No separate payment or measurement will be made for work specified in this section. Work is considered incidental to Section 15151, including tack coat.

PART 2 PRODUCTS

2.1 PATCH

A. Patch pavement shall be a 1/2” or 3/8” maximum aggregate hot bituminous mixture produced at a commercial source certified by CalTrans within one year of the date of production of the material. The mix design shall meet CalTrans specification for Hot Mix asphalt and approved within 6 months.

Contractor shall submit a mix design for Hot Mix asphalt and show date of production.

2.2 TACK COAT

A. Tack coat shall be SS1-h.

2.3 CONCRETE

A. Concrete for patch pave shall be 3500 psi Type 2 Portland Cement Concrete from a commercial source with 2-4 inch slump, 3-6 percent air entrainment, and fiber mesh reinforcement.

B. Concrete for sidewalks, curbs, thrust blocks, concrete clean out collar, and incidental concrete structures AS SHOWN ON THE DRAWINGS shall be as stated above.

PART 3 EXECUTION

3.1 GENERAL

A. The Contractor shall furnish the Contracting Officer with copies of the bituminous mix design at the plant currently approved for use by CalTrans. Bituminous mixture meeting the requirements of the mix design shall have been produced within the past six months. The Contractor shall submit to the Contracting officer a certificate that the test results and job mix formula represents the quantity and suitability of the material that will be incorporated into the project.

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B. If the bituminous mix design has not been performed on the material being used at the proposed plant source, or bituminous mixture meeting the requirements of the bituminous mix design have not been produced within a period of six months, then a new design testing shall be done at a laboratory, approved by the Contracting Officer, at the Contractor’s expense. Copies of the bituminous mixture test data proposed job mix formula shall be submitted to the Contracting Officer at least seven calendar days prior to starting mixing operations.

3.2 WEATHER CONDITIONS

A. Hot mix shall be placed only when the atmospheric temperature is above 40 degrees Fahrenheit and rising, surface roadway is dry, and it is not raining. The existing surface shall be cleaned of loose material.

3.3 TACK COAT

A. At edges connecting to the existing pavement a tack coat shall be applied at a rate of 0.1 gal/sq.yd. and allowed to become tacky prior to placing bituminous hot mix patch pavement. The existing surface shall be clean of loose material. Tack coat shall be mixed 50/50 ratio with water.

3.4 SPREADING/FINISHING

A. Bituminous hot mix patch pavement shall not be placed until trench compaction has been approved, the existing pavement has been trimmed and the edges form a vertical face and the tack coat has been applied. The hot mix shall be spread by hand or mechanical means if practical. The hot mix shall be compacted by rubber tire mechanical equipment and the top surface compacted to a smooth surface with a vibrating plate compactor. The finished surface shall have a ½ inch rounded rise from trench edge to trench edge. Finished minimum compacted depth shall be three inches. Repaint traffic markings with commercial quality traffic marking paint approved by the COR where trenching cuts through existing traffic markings.

3.5 CONCRETE

A. Form, place, and finish concrete and curb in accordance with standard industry practices. Finish to match adjacent concrete slab surfaces.

DIVISION 15

MECHANICAL

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SECTION 15151

SEWER PIPING AND APPURTENANCES

1 .1 DESCRIPTION

A. The work of this section consists of furnishing and installing gravity or pressure sewer piping, building connections, and appurtenances including cleanouts at grade and as located on the drawings.

1 .2 DEFINITION

A. Bedding and backfill material types are defined in Section 02320.

1 .3 DRAWINGS

A. Drawings are diagrammatic and show general design, arrangement, and extent of the systems. Do not scale drawings for roughing - in measurement, nor use as shop drawings. Make field measurements and prepare shop drawings as required. Coordinate work with shop drawings of other divisions. Investigate capacity and space requirements of proposed equipment before submitting shop drawings.

1 .4 COORDINATION

A. Interruption of Services: Coordinate shutdown of any on site utilities with Contracting Officer.

B. Schedule of Work: Coordinate work with other trades. In scheduling, anticipate such items as installing equipment through available openings in structure.

C. Make minor changes in piping, and equipment locations to suit actual conditions.

1 .5 SUBMITTALS

A. As specified in Section 01010.

B. Manufacturer's literature and certificates of compliance with the reference standards for pipe, fittings, and couplings.

C. Manufacturer's installation instructions or guide.

D. Written procedure for cleaning sewer lines and disposing of fluidized materials removed.

1 .6 PRODUCT HANDLING

A. Delivery: Handle pipe carefully to ensure delivery at the project site in sound, undamaged condition.

Contracting Officer will reject damaged pipe on site. Contractor shall replace damaged pipe at no additional expense to the Government.

B. Storage: Do not store materials directly on the ground. Adequately support piping to prevent warpage. Use protective covers where pipe may be damaged by direct sunlight.

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1.5 MEASUREMENT AND PAYMENT:

A. Measurement and payment will be made as specified in Section 01010.

2 .1 PLASTIC PIPE, JOINTS, AND BACKFILL MATERIAL

A. Pipe:

1. ASTM D3034-83, polyvinyl chloride (pvc). Minimum wall thickness, SDR 35.

2. ASTM D2241-83, polyvinyl chloride (pvc). Pressure rating of 125 psi (SDR 32.5).

B. Elastomeric Gasket Joint: Manufacturer's standard. Integrally formed bell, push-fit, rubber gasketed joint system.

C. Lubricant: Manufacturer's standard.

D. Bedding and Backfill: Section 02320.

2 .2 FITTINGS

A. Size, grade, joint type, and lining to match pipe, and as recommended by the pipe manufacturer.

2 .3 COUPLINGS FOR DISSIMILAR PIPES

A. Transition type couplings shall be factory manufactured to ensure tight fit and smooth flow transition at the joint. Poured concrete collar and similar coupling methods will not be accepted.

2 .4 PRECAST CONCRETE VALVE BOX

A. Christy traffic valve box G8, with ring No. 2331 and lid No. C276, manufactured by Christy Concrete Products, Inc., Fremont, California, or approved equal.

2 .5 MARKING TAPE

A. 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. Capable of being inductively detected electronically

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.

B. Imprint: 3/4-inch or larger bold black letters.

C. Legend: Identify buried utility line tape with imprint such as "Caution: Sewer Line Below". Repeat identification at approximately 24-inch intervals.

D. Background Color: APWA color code and as specified: Safety Green – Sanitary Sewer, Storm Water.

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PART 3 EXECUTION

3 .1 GENERAL

A. Construct the gravity or pressure sewer system, complete with appurtenances, to the lines and grades shown or established in the field. Connect to existing building sewer service connections and to the existing city sewer manhole at Porterville work center; and to existing building sewer service connections and to the existing septic tank at Johnsondale work center. Construct cleanouts on the gravity sewer line at grade and AS SHOWN AND LOCATED ON THE DRAWINGS

3 .2 TRENCHING AND BEDDING

A. Section 02320.

3 .3 INSTALLATION

A. Inspection: Inspect pipe for defects before lowering into the trench. Defective, damaged, or unsound pipe will be rejected.

B. Laying: After the trench bottom has been properly prepared for pipe installation as specified in Section 02320, lay pipe upgrade with the spigot ends pointing in the direction of flow. Lay each length true to line and grade, to form smooth joint transitions and to prevent sudden offsets of the flow line.

C. Cleaning: As work progresses, clear the sewer pipe interior of dirt and other debris by keeping swabs in the pipe and pulling them forward past each completed joint.

D. Pipe Cutting: Cutting for closure or other reasons shall be done neatly by methods recommended by the manufacturer. Sharp edges shall be smoothed to prevent gasket damage.

E. Jointing: Clean gaskets and seats of foreign materials prior to joint assembly. Apply lubricant as recommended by the pipe manufacturer.

1. Push-On Joint: Carefully insert the spigot end into the bell to prevent entry of dirt and incorrect entry angle. With suitable fork tool, crowbar, or by hand, make the joint to the insertion depth recommended by the manufacturer. When the selected pipe uses joints not designed for full depth insertion, prevent further closure of previously completed joints by restraining movement of the installed line while making succeeding joints.

2. Mechanical Joint: Carefully center the spigot in the bell and position the gasket evenly in the seat. Tighten bolts alternately to an even torque, causing the follower gland to expand the gasket uniformly for a tight seal.

3. Plain End Jointing: Install factory made couplers in accordance with manufacturers' directions. Center the coupling collar over the joint and tighten bolts or bands evenly.

3 .4 INSTALLATION OF CLEANOUTS

A. Install cleanout wye and fitting at locations AS SHOWN ON THE DRAWINGS.

B. Extend with cast iron pipe and install precast concrete box flush with finished grade.

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3 .5 BACKFILLING OF SELECT MATERIAL

A. Section 02320.

3 .6 SEWER LINE MARKING

A. Install tape in backfill directly over each buried utility line AS SHOWN ON THE DRAWINGS.

Place tape by plowing or during final backfilling.

Where utilities are buried in a common trench, the tape shall be 6 inches wide and read "Utilities Buried Below".

B. Utility Line Surface Markers

In addition to marking tape, install surface markers at all changes in horizontal direction or at intervals not exceeding 400 feet.

3 .7 TESTING

A. Perform testing in the Contracting Officer's presence after backfill and proper compaction of trenches. Where lines are installed under roadways and parking areas, perform tests after completion of final subgrade preparation and prior to application of surface courses. Notify Contracting Officer at least 48 hours prior to testing.

B. Prepare each section for testing, using adequate bracing; protect system equipment susceptible to damage by test pressures; make provision for installation of Government pressure gauge in parallel with Contractor's gauge, if so requested; and maintain services where required.

C. Test on gravity lines: Each section of the line shall be flushed and cleaned before being tested.

Sanitary gravity line shall be tested by plugging the end of the gravity line at its point of connection with the septic tank, and completely filling the gravity lines with water from lowest to highest point thereof. The gravity lines shall be water-tight at all points.

Fill line with water; eliminate all air. Allow a minimum standing time of 2 hours for materials to absorb water.

Maintain the test pressure within 5 psig for 2 hours by pumping in metered quantities of makeup water.

The line section will have passed the test if the metered makeup water does not exceed that determined by the following formula: Leakage in gallons equals 0.00002 times the nominal diameter of pipe in inches times the length of the test section in feet times the square root of the test pressure in psig. (.00002 x dia” x length’ x √psig.)

Test on pressure sewer lines: Fill line with water; eliminate all air. Allow a minimum standing time of 2 hours for materials to absorb water.

Raise the internal pressure by pumping in water to 50 psi above the maximum anticipated service pressure (ignore water hammer) at the point of test gauge attachment for each prospective line.

The line section will have passed the test if the pressure does not drop more than 5% of the test pressure. Note: Even if tested in sections a final test for each entire line shall be tested.

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D. Do not use paints, asphalts, tars, or other types of pipe compounds to eliminate leaks.

E. Replace leaking fittings or lengths of pipe.

3 .8 SURFACE FINISH WORK

A. See Section 02320.

3 .9 START-UP

A. Before start-up, verify that piping and related systems have been tested and are operational.

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SECTION 15152

REHABILITATION OF GRAVITY SEWER PIPING AND APPURTENANCES

USING “TRENCHLESS” TECHNOLOGY

PART 1 GENERAL

1 .1 DESCRIPTION

A. The work of this section consists of rehabilitation of gravity sewer piping and appurtenances using “Trenchless” technology as shown on the drawings.

1 .2 DEFINITION

A. Pipe Bursting or Splitting: This method involves the use of a hydraulically powered system to install a new pipe through, and in the place of, an existing pipe. This method includes the operation known as pipe bursting or splitting whereby the hydraulic powered system is used to expand and break away existing pipe and at the same time pull a new pipe into the resulting pipe space. This method also includes the excavation of two pits large enough to accommodate the winching equipment in one pit, and insertion of the new HDPE pipe in the other.

B. Pipe sliplining; whereby a new pipe is inserted into and pulled through an existing pipe of larger diameter, and the existing pipe generally remains intact. This method also includes the excavation of two pits that shall also include temporary shoring, sheeting, and bracing (which may include sheet piling) as necessary for the execution and completion of the work specified in the plans and specifications.

1 .3 SUBMITTALS

A. As specified in Section 01010 and Section 15151.

1 .4 PRODUCT HANDLING

A. Delivery: Handle pipe carefully to ensure delivery at the project site in sound, undamaged condition.

Contracting Officer will reject damaged pipe on site. Contractor shall replace damaged pipe at no additional expense to the Government.

B. Storage: Do not store materials directly on the ground. Adequately store and support new pip to keep clean. Use protective covers where pipe may be damaged by direct sunlight.

1.5 MEASUREMENT AND PAYMENT:

A. Measurement and payment will be made as specified in Section 01010.

2 .1 PLASTIC PIPE, JOINTS, JOINING PIPE, AND BACKFILL MATERIAL

A. Pipe:

1. ASTM D3350, High-density polyethylene HDPE).

2. ASTM D3034-83, polyvinyl chloride (pvc). Minimum wall thickness, SDR 35.

3. ASTM D2241-83, polyvinyl chloride (pvc). Water pressure rating of 125 psi (SDR 32.5).

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B. Fusion:

1. ASTM D3261-03, Butt Heat Fusion PE Plastic Fittings for PE Plastic Pipe and Tubing.

2. ASTM D2657-03, Standard Practice for Heat Joining Polyolefin Pipe and Fittings

3. ASTM D 2657 and sub-section 500- 1.3.5 (a) For new HDPE pipe Butt Fusion in Section 500-1.3

POLYETHYLENE SOLID WALL LINER INSERTION PROCEDURE of the Technical Provisions.

C. Elastomeric Gasket Joint: Manufacturer's standard. Integrally formed bell, push-fit, rubber gasketed joint system.

D. Lubricant: Manufacturer's standard.

E. Bedding and Backfill: Section 02320.

2 .2 FITTINGS

A. Size, grade, joint type, and lining to match pipe, and as recommended by the pipe manufacturer.

2 .3 COUPLINGS FOR DISSIMILAR PIPES

A. Transition type couplings shall be factory manufactured to ensure tight fit and smooth flow transition at the joint. Poured concrete collar and similar coupling methods will not be accepted.

2 .4 PRECAST CONCRETE VALVE BOX

A. Christy traffic valve box G8, with ring No. 2331 and lid No. C276, manufactured by Christy Concrete Products, Inc., Fremont, California, or approved equal.

PART 3 EXECUTION

3 .1 GENERAL

A. The rehabilitation of the gravity sewer system, complete with appurtenances, shall be completed to the lines and grades shown or established in the field. Work will also repair the sewer line through or under the sidewalk to a point directly beneath the sewer outlet of the building as identified by the drawings. Contractor will construct Cleanouts at grade and AS SHOWN AND LOCATED ON THE

DRAWINGS.

3 .2 PITS, TRENCHING AND BEDDING

A. Section 02320.

3 .3 INSTALLATION

A. Inspection: Inspect pipe butt-fused joints for defects before pulling through the old pipe. Defective, damaged, or unsound joints will be re-fused.

B. Setting up and Pulling: Prepare and complete pipe installation in accordance with industry standards and manufacturer’s recommendations. Excavate equipment pits as approved by the COR. After equipment setup, install pipe to maintain required alignment and grade for proper flow. Install sufficient pipe to allow proper connections to adjacent sections of pipe.

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C. Cleaning: As work progresses, clear the sewer pipe interior of dirt and other debris by keeping swabs in the pipe and pulling them forward past each completed joint.

D. Pipe Cutting: Cutting for closure or other reasons shall be done neatly by methods recommended by the manufacturer. Sharp edges may need to be smoothed to prevent gasket damage where required.

E. Adapter Jointing: Clean gaskets and seats of foreign materials prior to joint assembly. Apply lubricant as recommended by the pipe manufacturer.

1. Push-On Joint: Carefully insert the spigot end into the bell to prevent entry of dirt and incorrect entry angle. With suitable fork tool, crowbar, or by hand, make the joint to the insertion depth recommended by the manufacturer. When the selected pipe uses joints not designed for full depth insertion, prevent further closure of previously completed joints by restraining movement of the installed line while making succeeding joints.

2. Mechanical Joint: Carefully center the spigot in the bell and position the gasket evenly in the seat. Tighten bolts alternately to an even torque, causing the follower gland to expand the gasket uniformly for a tight seal.

3. Plain End Jointing: Install factory made couplers in accordance with manufacturers' directions. Center the coupling collar over the joint and tighten bolts or bands evenly.

3 .4 INSTALLATION OF CLEANOUTS

A. Section 15151.

3 .5 BACKFILLING OF SELECT MATERIAL

A. Section 02320.

3 .6 SEWER LINE MARKING

A. Section 15151.

3 .7 TESTING

A. Section 15151.

3 .8 SURFACE FINISH WORK

A. Section 02320.

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SECTION 15192

LPG PIPING

1 .1 DESCRIPTION

A. The work of this section consists of furnishing and installing LPG gas piping, fittings, regulators, and accessories from the existing gas piping to the laundry gas hookup.

1 .2 QUALITY ASSURANCE

A. Install gas piping in accordance with NFPA 54, Uniform Plumbing Code, and Uniform Mechanical Code.

1 .3 SUBMITTALS

A. As specified in Section 01010.

PART 2 PRODUCTS

2 .1 PIPE AND FITTINGS

A. Above grade:

1. Pipe: Schedule 40, ASTM A120.

a. Fittings: Threaded, malleable iron.

b. Joint Seal: Rector seal or Teflon paste.

c. Unions: Black malleable iron, ground joint, bronze to iron seat, 150 pound class, ANSI B2.1 and ASTM A197.

B. Below grade:

1. Pipe: Medium Density Polyethylene (PE) conforming to ASTM D-2513 and the standards listed below. (DR 11.0).

a. Specific Gravity ASTM D1505 0.941 min.

b. Tensile Strength ASTM D638 2800 psi min.

c. Flexural Modulus ASTM D790 100,000 psi min

d. Brittleness Temperature ASTM D748 -180 deg F max

e. Hydrostatic design basis ASTM D2837 1250 psi

f. Color & UV Stabilizer ASTM D3350 yellow; UV stabilized for up to 4 years outdoor storage.

2. Joints: Heat fusion butt welded.

3. Fittings: PE, of the same type and grade materials as the piping to which they are attached and rated at the same pressure and temperature as the pipe.

4. Terminations: PE pipe shall be joined to steel systems with flanges.

5. Acceptable Manufacturers:

a. Plexco (local representative is Crow Company)

b. Approved equal.

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2 .2 SERVICE RISERS AND TRANSITION FITTINGS

A. Steel to polyethylene transition fittings: laboratory and field tested, meets ASTM D-2513, category 1, ANSI B 1.20, ANSI B 31.8, US DOT Part 192, and CSA B137.4. Fittings shall be designed to provide positive seal with “o” ring protection.

B. Riser fittings shall utilize steel pipe casings with polyethylene tubing. Underground portions shall be equipped with combination moisture seal and shear protection fitting.

1. Testing and performance shall meet ASTM D-2513, category 1, ANSI B 1.20, ANSI B 31.8, US DOT Part 192, NFPA-58, and CSA B137.4. Steel gas pipe nipple meets the requirements of A53 pipe.

C. Risers and transition fittings shall be manufactured by Perfection, or approved equal.

2 .3 GAS PRESSURE REGULATORS

A. LPG service regulator: For use in 2 stage system, self operated, spring-loaded, with cast iron body, neoprene body gasket, aluminum diaphragm case, spring case, orifice and valve stem, nitrile rubber diaphragm and disk. Capacities as recommended by the Propane Company and demand load.

1. First stage: Fisher R-7222-H

2. Second Stage: Fisher R922-461

B. Internal pressure registration, pressure setting adjustment with adjusting screw, temperature capability of –20 deg to 160 deg F.

C. Regulators shall meet ANSI B109.4.

D. Manufacturer shall be Fisher or approved equal.

2 .4 PIPING SPECIALTIES

A. Flexible Connectors: AGA Z21.24, copper alloy.

B. Gas Valves (above ground): Ball Valve, Class 150 WOG, 600 psi, ASTM B584 bronze body and bonnet, two-piece construction, chrome-plated brass ball, conventional port, bronze or brass stem; Teflon seats and seals; threaded end connections, vinyl-covered steel lever handle and handle memory stop. Valves rated for natural gas service. Equal to Crane Fig 9203-B.

PART 3 EXECUTION

3 .1 PIPE INSTALLATION

1. Clean all pipe before installation. Remove all internal scale. Ream all pipe ends after cutting.

2. For screwed joints, apply non-corrosive, non-hardening Teflon pipe thread compound or Teflon tape to male threads only.

3. Install gas piping and accessories in accordance with manufacturer's recommendations, and in compliance with all DOT regulations.

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4. Install an electrically continuous insulated number 18 AWG yellow .040 inch diameter copper tracer wire with underground non-metallic pipe; to terminate above grade at all ends.

5. Install exposed gas piping parallel with building walls or structure. Extend exterior piping above grade in vicinity of mechanical room and cap watertight until final connections can be made. The manufacturer of the housing units will provide final location. The lower end of all vertical supply piping shall terminate with a tee, nipple, and cap to serve as a scale trap.

6. Install ball valve, and union in the pipe upstream of each new regulator.

7. Extend metallic riser connections at least 30 inches horizontally before connecting to

PE pipe. Make connection with approved transition fitting. Listed 90 degree one piece risers may have less than 30 inches of horizontal metal piping.

3 .2 LEAK TESTING

A. Test with air, nitrogen, or carbon dioxide. Test period shall be done before the appliances are connected, piping systems shall stand a pressure 1-1/2 times the proposed maximum working pressure, but not less than 3 psig for a period of not less than 1/2 hour for each 500 cubic feet of pipe volume or fraction thereof, without showing any drop in pressure. Pressure shall be measured with a mercury manometer or slope gauge, or an equivalent device, calibrated to be read in increments not greater than 1/10 pound. The source of pressure shall be isolated before the pressure tests are made.

B. Before turning on gas, close all openings from which gas can escape. Immediately after turning on the gas, check piping system as specified.

C. If the meter test hand moves, or a pressure drop on the gauge is noted, examine all appliances or outlets supplied through the system. If they are shut off and not leaking, there is a leak in the piping system. Shut the gas supply off until repairs have been made, then repeat test.

3 .3 PURGING

A. After piping has been checked, fully purge all gas piping. A suggested method for purging the gas piping to an appliance is to disconnect the pilot piping at the outlet of the pilot valve. Do not purge piping into the combustion chamber of an appliance.

B. Do not purge open end of piping systems into confined spaces or areas where there are sources of ignition, unless space is adequately ventilated, purging rate is controlled, and all hazardous conditions are eliminated.

C. Lighting Pilots: After purging the gas piping, purge all appliances and light pilots before leaving the premises.

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SECTION 15400

BUILDING PLUMBING

PART 1 - GENERAL

1.1 SCOPE

A. This work consists of furnishing and installing all building plumbing and fixtures complete with all appurtenances and incidentals as needed to complete an operational installation, including:

1. Domestic hot and cold water piping system.

2. Drain, waste and vent system.

3. Plumbing fixtures and trim.

B. Related section: LPG Piping Section 15192.

1.2 LICENSED CONTRACTOR

A. All work under this section shall be performed by a plumber licensed in the state of California for site built construction.

1.3 CODES AND STANDARDS

A. In addition to the Codes and Standards listed in these specifications, Regulatory Requirements, work performed under this section shall meet the requirements of the following:

1. American National Standards Institute (ANSI)

2. National Sanitation Foundation (NSF)

3. American Water Works Association (AWWA)

1.4 SUBMITTALS

A. Submittals shall conform to these specifications. When substitution for any item, fixture or equipment is made, manufacturers shop drawings/cut sheets shall be provided. FAX’ed copies of these sheets shall not be acceptable. Xeroxed copies will be accepted unless manufacturers sheets are printed in color, if this is the case, original sheets shall be submitted. Submittals shall include but are not limited to plumbing fixtures, pipe, valves, valve boxes, hangers and supports.

PART 2 - PRODUCTS

2.1 GENERAL

A. Fixtures, valves, plumbing items, and related work shall as shown on the drawings or as specified herein, or as approved by submittal.

B. For clarification, all plumbing drawings are diagrammatic, and show general location and alignment of the piping systems unless dimensioned. Pipe sizes shown on the drawings shall be the size provided unless approved in writing by the Contracting Officer.

2.2 PLUMBING FIXTURES

A. Plumbing fixtures shall be provided complete with all accessories required for performance and servicing including connection of services. All fixtures shall be provided with water

15400-2 of 7 supply lines, stops and related piping, P-traps and related piping as required. Fixtures shall be of the Manufacturer, Model and size specified, or approved in the engineered drawings.

B. Fixtures shall be submitted for approval in the engineered drawings. Fixtures where indicated as accessible shall meet the Uniform Federal Accessibility Standards (UFAS).

2.3 PLUMBING AND PIPING MATERIALS

A. Materials shall be as specified herein in accordance with the schedule below. Only one material system may be used for each service category unless otherwise shown. The Contractor shall designate material for each of the following categories as part of the submittals. Fitting shall be of same material as piping or as designated.

Service Location Design Pressure Paragraph

Sanitary Sewer Under floor, underground, 10 foot B & Soil Sewer exterior, above ground top of vent including vents

Cold & Hot Under slab, underground 60 psig C & D Water and above ground

B. Sanitary Sewer and Soil System: Above Grade-Standard weight, Acrylonitrile, butadiene styrene (ABS) pipe and fittings. Fitting shall be bell and spigot solvent weld type. Below Grade-Standard weight Acrylonitrile, butadiene styrene (ABS) pipe and fittings, fitting shall be bell and spigot solvent weld.

C. Cold Water:

1. Underground: Copper tube Type ‘L’, copper, solder type, silver solder complying with

ASTM Designation B260, Class BCUP

2. Above-ground: Copper tube Type ‘L’, hard temper, fittings wrought copper alloy solder type, 95 percent tin - 5 percent antimony type ASTM Designation B32.

D. Pipe Thread Sealing Paste: Pipe sealant compound shall be a non-hardening, non-seizing, and non-toxic sealing paste containing TFE-Fluorocarbon approved for the use with potable water.

2.4 UNIONS

A. Galvanized steel piping 3 inch and smaller, Class 150 ground joint union.

B. Copper tubing, two inch and smaller wrot copper tail piece with bronze…