Attachment 5 - CSI Specifications Chilao CG Water System.pdf

GAOA Chilao Campground Complex – Water System Rehabilitation i

U.S. FOREST SERVICE

PACIFIC SOUTHWEST REGION, REGION 5

ANGELES NATIONAL FOREST

CHIALO CAMPGROUND COMPLEX – WATER SYSTEM

REHABILITATION

CONTRACT SPECIFICATIONS

FEBRUARY 2025

GAOA Chilao Campground Complex – Water System Rehabilitation ii

Contents

SECTION 01026 METHOD OF MEASUREMENT

SECTION 01061 APPLICABLE CODES

SECTION 01200 MOBILIZATION

SECTION 01300 SUBMITTALS

SECTION 01360 ENVIRONMENTAL MITIGATION

SECTION 01400 QUALITY CONTROL & QUANTITY MEASUREMENT

SECTION 01524 CONSTRUCTION WASTE MANAGEMENT

SECTION 01711 CLEANUP AND DISPOSAL

SECTION 01741 MANUFACTURER'S WARRANTIES

SECTION 02318 EXCAVATION AND BACKFILL FOR UTILITIES

SECTION 02511 WATER DISTRIBUTION

SECTION 02675 DISINFECTION OF WATER DISTRIBUTION SYSTEM

SECTION 02800 TANK CLEANING

SECTION 03400 MINOR CONCRETE REPAIR

SECTION 05500 METAL FABRICATIONS

SECTION 09960 HIGH-PERFORMANCE COATINGS

SECTION 15010 CONCRETE WATE1501R TANK

SECTION 01026 METHOD OF MEASUREMENT

PART 1 - GENERAL

1.1 SCOPE

This section defines the terms associated with the method of measurement for determining final payment under the terms of the contract.

1.2 MEASUREMENT AND PAYMENT

No separate measurement or payment will be made for the work specified in this section.

PART 2 - PRODUCTS

Not Applicable

PART 3 - EXECUTION

3.1 METHODS OF MEASUREMENT

One of the following methods of measurement for determining final payment is designated on the Schedule of Items for each pay item:

A. Contract Quantities (CQ)

These quantities denote the final number of units to be paid for under the terms of the contract.

They are based upon the original design data available prior to advertising the project. Original design data include the preliminary survey information, design assumptions, calculations, drawings and the presentation in the contract.

B. Staked Quantities (SQ)

These quantities are determined from staked measurements prior to construction.

C. Actual Quantities (AQ)

These quantities are determined from the measurements of the completed work.

D. Vehicle Quantities (VQ)

These quantities are measured in the hauling vehicles.

E. Lump Sum Quantities (LSQ)

These quantities denote one complete unit of work as required by or described in the contract, including necessary materials, equipment, and labor to complete the job. They will not be measured.

END OF SECTION

SECTION 01061 APPLICABLE CODES

This section describes the codes and standards which apply to the work in this contract.

1.2 CODES AND STANDARDS

The following codes and standards shall apply to the work in this contract.

A. Title 24 California Building Standards Code, Latest Edition B. California Plumbing Code, Latest Edition.

C. California Mechanical Code, Latest Edition.

D. California Electrical Code, Latest Edition E. California Energy Code, Latest Edition F. American Water Works Association (AWWA), Latest Edition.

G. American Society for Testing Materials (ASTM), Latest Edition.

H. American National Standards Institute, (ANSI).

I. American Concrete Association {ACI).

J. Portland Cement Association {PCA).

K. Local County Environmental Health Services Requirements L. Manufacturer's Instructions.

M. As required by the applicable listing or testing agency.

N. National Sanitation Foundation, Standard 61 O. OSHA Occupational Safety and Health Agency P. UL Underwriters Laboratories Q. Clean Water Act R. Safe Drinking Water Act

1.3 DEFINITIONS

Building Official as used in the Uniform Building Code and Uniform Building Code Standard will be the Contracting Officer.

Administrative Authority as used in the California Code of Regulations will be the Contracting Officer.

1.4 MEASUREMENTS AND PAYMENT

Payment will be included in the contract price for other items of work.

2.1 All products and materials in the work shall meet the standards and requirements of the codes and standards referenced in Part 1 General of this Section, unless otherwise SHOWN ON THE ORAWINGS or called for in the specifications. When more stringent requirements are called out in these specifications or SHOWN ON THE DRAWINGS, the more stringent requirements shall take precedence over the codes and standards.

2.2 Plastic pipe and components shall be marked with NSF certification for potable water use.

3.1 All work in the contract shall meet the standards and requirements of the codes and standards referenced in Part 1 General of this section, unless otherwise SHOWN ON THE DRAWINGS or called for in the specifications. When more stringent requirements are called out in these specifications, or SHOWN ON THE DRAWINGS, the more stringent requirements shall take precedence over the codes and standards.

SECTION 01200 MOBILIZATION

1.1 DESCRIPTION

This work shall consist of preparatory work and operations necessary for the movement of personnel, equipment, supplies, and incidentals to the project site, and for all other work and operations that must be performed or that cause costs to be incurred prior to beginning work on the various items on the project site.

Progress payments will be made as follows:

A. When 5 percent or more of the original contract amount is earned from other pay items, 50 percent of the amount for mobilization, or 5 percent of the original contract amount, whichever is less, will be paid.

B. When 10 percent or more of the original contract amount is earned from other pay items, 100 percent of the amount for mobilization, or 10 percent of the original contract amount, whichever is less, will be paid.

C. Upon completion of all work on the project, any unpaid amount for mobilization will be paid.

The total of all payments shall not exceed the original contract amount for this item.

The quantities, as measured above, will be paid for at the contract unit price for Item 01200, Mobilization.

SECTION 01300 SUBMITTALS

This work consists of submitting samples, shop drawings, technical information, substitutions, mix designs, and as-built drawings. The specification describes the review and approval process for submittals.

Not Applicable.

3.1 SHOP DRAWINGS

A. Original Submittal

The Contractor shall submit three copies of all shop drawings for review.

B. Review and Resubmittal

The Government will review and return the shop drawings within 15 calendar days. The Contractor shall make corrections noted and resubmit four copies of the corrected shop drawings.

The Government will review and return resubmittals within 7 calendar days.

C. Final Submittal

When all corrections have been made and approved, the Contractor shall submit three copies of the final shop drawings.

D. Certifications

All shop drawings shall be certified by a Professional Engineer or Architect, licensed in the State of California, practicing within the scope of his license.

3.2 SAMPLES

The Contractor shall submit one sample of each item for which samples are required. The samples shall be representative of the actual material proposed for use in the project and of sufficient size to demonstrate design, color, texture and finish as they will appear in the completed installation. The product shall be clearly marked to identify the specific product and location for use in this project.

The Government will review samples within 15 calendar days. The Contractor shall resubmit new samples of unsatisfactory items in accordance with paragraph 3.2 A. The Government will review resubmittals within 7 calendar days.

C. Approval

The Contractor shall not deliver any item to the project site until approval of the submittal for that item has been obtained. All samples will be returned to the Contractor at or before the final acceptance of the project.

3.3 CATALOG DATA

The Contractor shall submit two copies of catalog data. If the shop drawings have items that require submittal of catalog data, the catalog data shall be submitted with the shop drawings.

B. Identification

Clearly identify items submitted in each catalog or on each page. If the entire catalog is submitted, the items shall also be identified on the cover of the catalog by page and item number.

Product data shall be clearly annotated to identify the specific product and model and data applicable to its installation.

C. Review and Resubmittal

Review and resubmittal of catalog data shall be in accordance with paragraphs 3.1 B. and C.

D. A loose leaf binder containing literature for each component installed shall be submitted to the Contracting Officer prior to final acceptance of work. Information in the binder shall include: manufacturer's name, product type, model, size, characteristics of the product or equipment, address and phone number of manufacturer and supplier. The name(s) of the installer or subcontractor shall also be listed for each item. The binder shall include a table of contents, listing each item included in the binder.

3.4 MIX DESIGN

The Contractor shall submit two copies of the mix design for all materials for which mix designs are required.

The Government will review mix designs within 7 days. The Contractor shall resubmit unsatisfactory mix designs in accordance with paragraph 3.4 A. The Government will review resubmittal within 3 days.

C. Approval

The Contractor shall not deliver any material requiring a submittal to the project site until approval of the submittal for that material has been obtained.

3.5 AS-BUILT DRAWINGS

A. On completion of the work, the Contractor shall submit:

a. Two complete sets of electronic full size as-built drawings of the project. The electronic drawings shall be in ACAD format on CD.

b. A complete set of drawings of all contract drawings and shop drawings. The drawings may be non-reproducible prints.

Any changes in location, material, substitutions, and other approved deviations shall be marked clearly in red.

3.6 CONTRACTOR'S RESPONSIBILITY

A. Representation

The Contractor shall certify that all shop drawings submitted for approval are in compliance with the contract drawings, specifications and other approved submittals.

B. Deviations

Approval of shop drawings, samples, or catalog data shall not relieve the Contractor from responsibility for errors or omissions therein.

C. Prohibitions

No portion of the work requiring a shop drawing, sample, or catalog data shall commence nor fabrication begin prior to approval of such items.

3.7 SUBSTITUTION

Materials in the specifications may be followed by the words "or approved equal." In these cases, wherever the name or brand of a manufacturer's article is specified, it is used as a measure of quality and utility or a standard. If the Contractor prefers to use any other brand or manufacturer of same quality, appearance, and utility to that specified, he shall request substitution as provided below, not less than 30 days before the planned installation of the item. The Contracting Officer will approve or disapprove the request for substitution and his decision shall be final. Unless substitutions are requested within the time stated above and as provided below, no deviation from the specifications will be allowed.

Requests for substitutions will only be considered if contractor submits the following:

A. Complete technical data including drawings, complete performance specifications, test data, samples and performance tests of the article proposed for substitution.

Submit additional information if required by Contracting Officer. All items in the above information shall be circled, tagged, or marked in some way to indicate all deviations or differences which the proposed item differs from the originally specified item.

B. Similar data as above for item originally specified. All items shall be marked to identify where/how the proposed substitution will differ.

C. A statement by the Contractor that the proposed substitution is in full compliance with the contract documents, applicable codes, and laws.

D. A list of other trades which may be affected by the substitution.

E. The Contractor shall be responsible for any effect upon related work in the project for any substitution and shall pay any additional costs generated by any substitutions.

SECTION 01360 ENVIRONMENTAL MITIGATION

This work consists of requirements that must be followed to avoid impacts to biological, botanical, and heritage resources.

No separate measurement or payment will be made for work specified in this section.

Not applicable.

3.1 Mandatory Awareness Training

All construction personnel shall be required to attend awareness training at tailgate sessions upon first arriving on the project. Awareness will include explanation and importance of adhering to the General and Specific Design Criteria, as well as identification of certain species to insure they are not harmed in the construction of the project.

3.2 General Design Criteria

A. Existing logs and rocks shall not be moved without first obtaining approval from the C.O.R.

B. No work shall be allowed after sunset or before sunrise.

C. Worksites shall be cleaned daily. Food products must be removed from the site on a daily basis.

D. Vehicles shall only be allowed on roads and parking areas, with the exception of construction equipment which will only be allowed on designated, construction areas.

E. Materials shall only be stored on roads, parking areas, or existing disturbed areas void of vegetation.

F. Construction equipment shall be cleaned of all dirt, vegetation, or other deleterious material prior to entering the National Forest. At designated sites, construction equipment shall be cleaned of all dirt, vegetation, or other deleterious material prior to being moved from the site.

SECTION 01400 QUALITY CONTROL & QUANTITY MEASUREMENT

1.1 WORK

This work shall consist of providing quality control in conformance with the Inspection of Construction provisions of this contract to ensure compliance with the drawings, specifications, and provisions of the contract, and measuring the quantities of completed work in conformance with the provisions of the applicable specification. The Contractor shall provide all personnel, equipment, tests, and reports necessary to meet the requirements of this specification.

No separate measurement or payment will be made for work specified in this Section.

Not Applicable

3.1 QUALITY CONTROL & QUANTITY MEASUREMENT SYSTEM

A. The Contractor shall provide and maintain a quality control system that will ensure that all services, supplies, and construction required under this contract conform to the contract requirements. The Contractor shall perform, or cause to be performed, the sampling, inspection, and testing required for substantiating that all supplies, services, and construction conform to the contract requirements.

B. The Contractor shall also perform, or cause to be performed, all measurement of quantities of materials incorporated into the work or work processes that are to be measured under the provisions of the contract.

a. Quality Control Plan:

i. The Contractor shall submit in writing the following:

1. Authorities and responsibilities of inspection and testing personnel.

2. Experience and qualifications of inspection and testing personnel to be assigned and name and location of any (for hire) testing facility to be used.

ii. Approval of Quality Control Plan:

1. The contractor's proposed quality control plan for all items requiring quality control shall be submitted to the Contracting Officer for review prior to the Contractor commencing work.

2. Within 7 days of receipt of plan, the Contracting Officer shall notify the Contractor whether the plan adequately covers quality control requirements.

3. Construction work shall not be performed prior to contractor's receipt of written approval of the proposed plan.

4. The Contractor shall submit to the Contracting Officer, in writing, any proposed changes in the approved quality control plan.

5. Proposed changes shall not be put into effect until approved in writing by the Contracting Officer.

3.2 SAMPLING, TESTING, INSPECTION, & MEASUREMENT OF QUANTITIES

A. The Contractor shall provide and maintain appropriate measuring and testing devices, equipment, and supplies to accomplish the required measurement, testing, and inspection in a timely manner. Tests, measurements, and certifications shall be made as required by the drawings and specifications. The Contractor shall take samples and perform inspections and tests necessary to achieve the quality of construction required by the contract and make required measurements of work under this contract performed onsite or offsite. Sampling and testing frequency for specific items shall be as listed below in Section 3.2.C and in the individual specifications.

B. Frequencies for making approvals, inspecting, sampling, testing, and measuring the work shown in the schedule of items shall be as shown in table. Responsibilities shall be as shown below. The following key refers to abbreviations shown below.

a. CC: Certification and/or inspection, measuring, sampling and testing by Contractor or Contractor's Representative.

b. CL: Certification and/or inspection, measuring, sampling and testing by a certified testing laboratory.

c. PE: Approvals, inspections, sampling, testing, measuring, or surveying under the direction of and certification by a Professional Engineer registered in the State of California.

d. MR: Manufacture's Representative experienced and specialized in the application of their product.

C. The frequencies shown in the table 1 shall be considered as minimum for the purposes of quality control and quantity measurement. Passing test results shall not be construed as acceptance of any Section. The results of quality testing shall not be used for/in lieu of acceptance sampling and testing.

TABLE J - REQUIRED

QUALITY CONTROL, INSPECTION, SAMPLING, TESTING, AND MEASUREMENT

SECTION

APPROVALS,

INSPECTIONS,

SAMPLING,

MEASUREMENTS, OR

TESTS REQUIRED

MINIMUM

FREQUENC

y

CERTIFICATIO

N

02220 EARTHWORK

COMPACTION 1 Procter Test per soil type

C L

(ALL)

02318 Compaction of earthwork for Roadways

1 random field density test per lane per 150

LF

C L

02318 Compaction of earthwork for Helipad and Parking Lots

1 random field density test per 500 SF C L

0221 Compaction of earthwork for concrete flatwork

1 random field density test per 500 SF C

02318

Compaction for Utility

Trench Backfill

1 random field density test per 100 feet; under roads, under walks, and where utility trenches are within 5" of a building foundation

02220

CONSTRUCTION

TOLERANCE

MEASUREMENTS

Width of Roadways measurement per 150 LF c

Width of concrete flatwork

Provide measurements sufficient to determine compliance with configuration and layout and at locations designated by the Contracting Officer

Subgrade Elevation of Roadways

1 measurement per lane per 150 LF c c

Subgrade Elevations of Building

Pad and Helipad Same as Width cc

02601

Gradation and quality of crushed aggregate from commercial source

Written Certification from manufacturer that material meets certification

Compaction of aggregate base or surface course

1 Proctor test per gradation and material type

CL

Compaction of aggregate base or surface course for Roadways

1 random field density test per lane per 150 LF

CL

Compaction of aggregate base or surface course for Helipad

1 random field density test per 500 SF

CL

Compaction of aggregate base or surface course for concrete flatwork

1 random field density test per 500 SF

Aggregate base and surfacing depths for Roadways

1 measurement per lift per lane per 150 LF cc

Aggregate base and surfacing depths for Helipad and Parking

Lots

Provide 1 measurement per lift per 500 of centerline or defined reference line cc

Aggregate base and surfacing depths for concrete flatwork

Provide 1 measurement per

500 SF

cc

02602 Asphalt Concrete compaction for

Roadways

1 Measurement per 150

LF.

02660 Test for pressure and leakage Test procedure outlined in individual section cc

02675

Waterline disinfection

Chlorine Residual

Bacteriological

Test procedure outlined in individual section

FINAL TEST

Contracting Officer

02602 Asphalt Concrete Compaction for Helipad and Parking Lots

1 Random field density test per 500 SF cc

03300 Mix Design Certification 1 per composition and breaking strength

CL

03300 Strength Test Minimum 2 tests per truckload

03300 Slump and air entrainment 1 test per truckload cc

15500 Test for pressure and leakage Test with Regulatory Agency cc

16050 Test for Voltage in Each Outlet

Procedure outlined in individual section cc

07610 Roof Leak Test 8 gpm I sq.ft. of roof 2 gal. / sq.ft. of roof

09960

Coating preparation, coating application, curing test and inspect per manufacturer's Instructions

MR

09960

Tank coating leak test

Visual inspection 24 hour period cc

15010 15030

15040

Tank leak test

Visual inspection 24 hour period

15030 Bolted tank construction

On site certified installers

3.3 RECORDS OF INSPECTION, TESTS, & MEASUREMENT

A. Inspection and Tests:

a. The Contractor shall maintain current records of all inspections and tests performed. The following format or one containing the following information will be acceptable to the Government:

i. Project No. Contract No.

ii. Bid Item No. Date Station Measurement (Initials)

b. The Contractor shall certify in writing that all inspections and tests were performed in accordance with specifications. A copy of the inspection and test records shall be submitted with the written certification.

3.3 CERTIFICATIONS & MEASUREMENTS

A. Offsite Produced Materials:

a. The Contractor shall furnish certificates executed by the manufacturer, supplier, or vendor, stipulating that all offsite produced materials incorporated into the work meet the applicable requirements SHOWN ON THE DRAWINGS or stated in the specifications.

b. All certifications shall be the original. The certifications shall name the appropriate item of equipment or material, specification, standard, or other document specified as controlling the quality of that item and shall have attached thereto certified copies of test data upon which the certifications are based.

c. The Contractor shall certify incidental purchases needed to remedy minor shortages of material.

B. Quantity Measurements:

a. The Contractor shall make all measurements for computation of quantities for all work items except those specified for payment by Contract Quantity (CQ).

b. The Contractor shall compute the quantities for periodic progress payments;

the Contracting Officer will compute the quantities for the final payment based on measurements taken by the Contractor.

c. All Contractor measurements are subject to verification.

d. The Contractor shall submit all field notes, calculation sheets, and other data used to determine quantities.

e. The Contractor shall certify the accuracy of the measurements and computations submitted in writing.

C. The following format or one containing the following information will be acceptable to the Government:

a. Project No. Contract NQ.

b. Bid Item No. Date Station Measurement (Initials)

SECTION 01524 CONSTRUCTION WASTE MANAGEMENT

1.1 SUMMARY

A. Section includes:

a. Special requirements for waste management during construction operations.

i. Protect the environment, both on-site and off-site, during construction operations.

ii. Prevent environmental pollution and damage.

iii. Maximize source reduction, reuse and recycling of solid waste.

1.2 DEFINITIONS

A. Definitions pertaining to sustainable development: As defined in ASTM E2114.

1.3 QUALITY ASSURANCE

A. Maximize use of source reduction and recycling procedures outlined in ASTM D5834.

B. Diversion Goals: A minimum 75 percent by weight of total project solid waste to be diverted from landfill.

1.4 PRECONSTRUCTION MEETING

A. After award of Contract and prior to the commencement of the Work, schedule and conduct meeting with the Contractor and the Contracting Officer to discuss the proposed Waste Management Plan and to develop mutual understanding relative to details of environmental protection.

1.5 SUBMITTALS

A. Solid Waste Management Plan: Not less than 10 days before the Pre-construction meeting, prepare and submit a Solid Waste Management Plan including, but not limited to, the following:

a. List of the recycling facilities, reuse facilities, municipal solid waste landfills and other disposal area(s) to be used. Include:

i. Name, location, and phone number.

ii. Copy of permit or license for each facility.

b. Identify materials that cannot be recycled or reused. Provide explanation or justification.

c. Revise and resubmit Plan as required by The Contracting Officer.

i. Approval of Contractor's Plan will not relieve the Contractor of responsibility for compliance with applicable environmental regulations.

B. Progress Documentation: Document solid waste disposal and diversion. Include the quantity by weight of waste generated; waste diverted through sale, reuse, or recycling; and waste disposed by landfill or incineration. Identify landfills, recycling centers, waste processors, and other organizations that process or receive the solid waste.

a. Document on form in Appendix A of this Section, or similar form as approved by The Contractor.

b. With each request for Payment, submit updated Documentation for solid waste disposal and diversion.

c. With each request for Payment, submit manifests, weight tickets, receipts, and invoices specifically identifying the Project and waste material.

PART 2 – PRODUCTS

PART 3 – EXECUTION

3.1 SOLID WASTE MANAGEMENT

A. Develop and implement a waste management program in accordance with ASTM E1609 and as specified herein.

B. Collection: Implement a recycling/reuse program that includes separate collection of waste materials of the following types as appropriate to the project waste and to the available recycling and reuse programs in the project area:

a. Land clearing debris.

b. Asphalt.

c. Concrete and Masonry.

d. Metal.

i. Ferrous.

ii. Non-ferrous.

e. Wood, nails and staples allowed.

f. Debris.

g. Glass, colored glass allowed.

h. Paper.

i. Bond.

ii. Newsprint.

iii. Cardboard and paper packaging materials.

iv. Plastic.

v. Gypsum.

vi. Non-hazardous paint and paint cans.

vii. Carpet.

viii. Insulation.

ix. Others as appropriate.

x. Recycling/Reuse: Maximize recycling and reuse of materials.

xi. Recycling/Reuse off project site: The following is a partial list for Contractor's information only. For more information, contact the State Department of Environmental Quality and the local Integrated Solid Waste Management Office.

1. Habitat for Humanity, a non-profit housing organization that rehabilitates and builds housing for low-income families. Sites requiring donated materials vary. Contact the national hotline

(800) HABITAT.

2. California Materials Exchange (CAL-MAX) Program sponsored by the California Integrated Waste Management Board; (916) 255-2369.

Handling:

Clean materials that are contaminated prior to placing in collection containers. Deliver materials in accordance with recycling or reuse facility requirements (e.g., free of dirt, adhesives, solvents, petroleum contamination, and other substances deleterious to recycling process).

Arrange for collection by or delivery to the appropriate recycling or reuse facility.

Appendix A

Summary of Solid Waste Disposal and Diversion Project Name: Project Number:

Contractor Name: License Number:

Contractor Address:

Solid Waste Material Date Material Disposed Diverted

Amount Disposed Diverted (ton or cubic yard)

Municipa l Solid Waste Facility (Name, Address, & Phone Number)

Recycling/ Reuse Facility (Name, Address, & Phone Number)

Comments (if disposed, state why not diverted)

Appliances

Asphalt

Cardboard

Concrete

Gypsum Drywall

Land Clearing/ Soil

Masonry

Metals: Ferrous

Metals: Non-Ferrous

Mixed/ Co-mingled Waste

Plastic

Roofing: Asphalt-based

Salvaged/ Surplus

Materials for Reuse

Wood: Landclearing Debris

Wood: Scrap Lumber

Other:

Signature: Date:

SECTION 01711 CLEANUP AND DISPOSAL

A. This work consists of cleanup and disposal of refuse and excess material resulting from construction operations.

B. No separate measurement or payment will be made for work specified in this Section.

3.1 EXCESS MATERIALS AND REFUSE

A. The Contractor shall remove all refuse and unused materials generated by his operations including, but not limited to, wood, asphalt, concrete, vegetative materials, unused equipment , and the like from the project site and disposed of off National Forest land in accordance with local regulations.

3.2 SALVAGEABLE ITEMS

A. Salvageable items not intended for use in this contract, and not specifically designated to remain the property of the Government, shall become the property of the Contractor.

SECTION 01741 MANUFACTURER'S WARRANTIES

A. This work consists of the assignment of manufacturer's warranties for products incorporated into the work.

A. No separate measurement or payment will be made for the work specified in this section.

A. All products offered with manufacturer's warranty furnished, installed, or constructed in this contract, including but not limited to valves, hydrants, pressure reducers, backflow preventers, water gauges, float switches, meters, tank coatings and water tanks.

a. Bolted steel tanks and high performance liners for tanks

b. All electrical devices, including but not limited to switch, transformers, distribution panels, control devices, panels, and the like.

3.1 MANUFACTURER'S WARRANTIES

A. All manufacturer's warranties shall be executed in the name of the: Facilities Manager – Engineering Angeles National Forest 701 N. Santa Anita Ave. Arcadia, CA 91006

B. The contractor shall file the original copy of each manufacturer's warranty in a loose leaf binder. The binder shall be given to the Contracting Officer at, or prior to the Final Inspection.

SECTION 02318 EXCAVATION AND BACKFILL FOR UTILITIES

A. This section specifies excavation and backfill for utilities, including excavation;

furnishing, hauling and placing of backfill material; disposal of excess or unsuitable backfill material; and grading.

1.2 RELATED SECTIONS

A. 02511 - Water Distribution System

1.3 SUBMITTALS

A. The Contractor shall provide submittals in accordance to Section 01300 and shall include:

B. Certification, test results, source and samples for all imported material.

C. Required permits including haul, blasting, and encroachment permits.

D. Certification and test results for compaction of backfill

E. Construction plan and scheduling for construction activity that may require a delay or detour of pedestrian or motorized traffic.

1.4 UNDERGROUND UTILITIES AND OTHER UNDERGROUND IMPROVEMENTS

A. Underground utilities and other underground improvements exist at the site. The Contractor shall call 1-800-422-4133 toll free weekdays or call 818-357-2257 after 5 p.m. and weekends for the free utility location service. If a utility or other underground improvement is damaged, the Contractor shall notify the Contracting Officer and the Owner of the utility immediately.

B. When the utilities or other underground improvements are shown on the drawing, the locations are approximate. The Contractor shall take all reasonable precautions to protect the utilities or other underground improvements when the locations have been designated. If a utility or other underground improvement is damaged and it is within 5 feet of the location shown on the drawing or designated on the ground, the Contractor shall repair the damage to the satisfaction of the Contracting Officer or Owner at the Contractor's expense. All repairs necessary shall be made immediately unless directed otherwise in writing by the Contracting Officer.

C. If a utility or other underground improvement is damaged and was not located or is beyond 5 feet of the location shown on the drawing or designated on the ground, the Differing Site Conditions Clause (FAR 52.236-2) applies. If the damaged utility is unsafe or is causing other damage, the Contractor shall take necessary precautions or make temporary repairs to provide for the safety of personnel and to prevent further damage.

1.5 MEASUREMENT AND PAYMENT

A. No separate measurement or payment will be made for work specified in this section. Payment will be included as part of the contract price for other items of work.

B. Measurement for excavation and backfill of utilities will be paid for under section 02511, Water Distribution.

2.1 MATERIALS

A. Backfill Materials shall be free of frozen or organic material.

a. CLASS A: Top Soil

i. Material shall be generated from the surface material to a depth of 6 to 8 inches

b. CLASS B: Select Soil

i. Excavated material containing no rocks larger than 6 inches in largest dimension.

c. CLASS C: Fines

i. Fine soil or clean sand, 100 percent passing the #4 Topsoil.

3.1 WORKING LIMITS

A. Unless otherwise noted, excavation and backfill operations shall be confined to within the clearing limits. Where clearing limits are not specified, excavation and backfill operations shall be limited to a 25 foot wide strip contiguous to the utility centerline.

3.2 CONSTRUCTION

A. Excavation

a. Excavation shall not begin until all clearing and grubbing work is completed except for final debris disposal.

b. Trench alignment will be designated on the ground by the Contracting Officer.

Slight variances in alignment will be allowed when approved by the Contracting Officer.

c. Bedding material and utility shall not be placed until the bottom of the trench has been approved by the Contracting Officer.

d. Unless otherwise noted, trench for utility shall be kept to a minimum width to minimize disturbance to the ground.

e. Unless otherwise noted, depth of trench shall be that necessary to provide 36 inch minimum cover over waterline for trenches with single utility installation.

f. Unless otherwise noted, depth of trench shall be that necessary to provide 30 inch minimum cover over electrical control wires for single utility installation.

g. The depth of trenches carrying more than one utility shall be excavated to a depth which will allow the proper separation of utilities in accordance with Section 02511, Water Distribution.

h. Lay utilities in continuous open trench. Short tunnel sections or boring may be used in special locations with the approval of the Contracting Officer.

B. Over excavation.

a. Restore to grade any over excavation by backfilling with select material.

C. Salvage of Topsoil.

a. Excavate top 6 to 8 inches of surface material and stockpile separately for use as topsoil backfill material.

D. Wet Excavation.

a. If water is encountered during trench excavation, provide adequate pumping equipment and piping to keep trench free from water and dispose of the water without damage to adjacent property. 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. Unsuitable Material.

b. Where unsuitable material is encountered in the trench bottom, as determined by the Contracting Officer, excavate the trench below grade to the depth specified by the Contracting Officer.

E. Rock Excavation and Blasting.

a. Blasting for excavation will be permitted when proper precautions are taken for the protection of persons and property. Notify the Contracting Officer of blasting schedule a minimum of 48 hours prior to commencing blasting operations.

b. Any damage caused by blasting shall be repaired at the Contractor's expense.

The methods or procedure shall conform to State laws and regulations.

F. Backsloping, Sheeting and Shoring.

a. Backsloping of trench walls will be allowed only upon prior written approval of the Contracting Officer.

b. Remove all shoring and sheeting when construction is completed. Withdraw to prevent trench wall caving while backfilling.

G. Backfill Requirements

a. Do not place backfill until installation of pipe or cable has been approved by the Contracting Officer.

b. Before compacting backfill other than rock or sand, prepare material to a water content that will permit proper compaction by either aerating the material if it is too wet, or spraying the material with water if it is too dry.

Thoroughly mix each lift before compaction to assure uniform distribution of water content. Do not compact material above pipe or cable until there are 6 inches of cover over the pipe or cable.

c. Cross Country and Undeveloped Areas

i. Class A: Top 6 inches of backfill shall be Class A (Top soil) compacted s to a density equal to or greater than the adjacent disturbed surface. Final finished surface shall be mounded 4 inches above trenched area to allow for settlement.

ii. Class B: Material between Class A {Top Soil) and Class C (Fines) shall be placed in lifts 6 inches or less and compacted to a density equal to or greater than the adjacent undisturbed soil.

iii. Class C: Material for bedding and backfill around utility line shall be

Class C (Fines). The combined bedding and backfill shall provide a minimum 6 inches of Class C material around the perimeter of the utility line. The material shall be compacted to a density of not less than

90 percent of the maximum density determined by AASHTO Tl 80, method C or D.

H. Under Roads and Structures

a. The compaction for trench backfill under roads, asphalt and concrete structures shall be not less than 90 percent of the maximum density determined by AASHTO Tl 80, Method C or D, except for the top 12 inches which shall be compacted to 95 percent of AASHTO Tl 80, Method C or D.

b. The area requiring Class C (Fines) shall be the same area as for Cross Country installation compacted to not less than 90 percent of AASHTO Tl 80, Method C or D.

I. Damage to existing underground utilities.

a. Stop all work associated with damage to existing utilities, and notify the

Contracting Officer. Repair utility as directed by the Contracting Officer.

b. Repair at Contractor's expense underground utilities that are within 5 feet of where shown on Drawings or designated on the ground, and damaged by the Contractor.

c. Repair at Government expense underground utilities not shown on Drawings or not designated on the ground or not within 5 feet of where shown on the Drawings or designated on the ground, and damaged by the Contractor.

J. Special Surface Restoration.

a. Unless otherwise noted, replace all surfaces disturbed by trenching operation in kind.

i. Asphalt surfaces shall be replaced in accordance with Section 02700, Asphalt Pavement Patching.

ii. Concrete surfaces designated for removal shall be saw cut and replaced in accordance with Section, 03300, Cast -In-Place Concrete. Concrete finish, color, and edging shall be same as adjoining slab.

iii. Sod designated for removal and reuse shall be watered down and kept moist until ready for placement. Lower grade to allow compacted sod to match existing undisturbed grade. Place a 2 inch layer of compacted topsoil between the top backfill lift and sod. Compact sod in place with a 200 to 250 pound hand roller.

3.3 CLEANING

A. Final Finish.

a. After the utility installation and backfill has been completed, finish all disturbed areas, except trench area required to be mounded, to a smooth, uniform grade and texture, well blended to the original contours, showing minimum evidence of construction activity. Excess excavation shall be hauled to a disposal site shown on the drawing or designated on the ground by the Contracting Officer.

3.4 SCHEDULES

A. Contractor shall expedite backfilling open utility line trenches located in existing roadways, parking areas, driveways, and pathways. Contractor's scheduling for operations causing traffic disruption shall be approved by the Contracting Officer prior to implementation.

SECTION 02511 WATER DISTRIBUTION

This Section includes the installation of waterlines, meters, valves and appurtenances for new and reconstructed potable-water systems.

1.2 DEFINITIONS

A. Abbreviations

a. RS Rising Stem

b. NRS Non-rising stem

c. WOG Water, Oil, and Gas

1.3 SUBMITTALS

A. Submit sufficient descriptive literature in accordance with Section 01300, Submittals, to demonstrate compliance with these specifications for each type and component being furnished.

B. Operation and maintenance data shall be included for the following:

a. Water meters.

b. Valves.

c. Backflow preventers.

C. Plumbing Layout

a. Schematic layout for all plumbing in well head enclosures.

b. Schematic layout for all plumbing in water tanks.

c. Schematic layout for all plumbing in distribution system and valve boxes.

1.4 QUALITY ASSURANCE

A. Regulatory Requirements:

a. Comply with requirements of utility company supplying water. Include tapping of water mains and backflow prevention.

b. Comply with standards of authorities having jurisdiction for potable-water service piping, including materials, installation, testing, and disinfection.

c. Comply with local County Environmental Health Services Requirements.

Work under this contract will be in Los Angeles County.

d. All piping and components used in contact with drinking water shall comply with ANSI/NSF 61, Drinking Water System Components-Health Effects.

e. Piping materials shall bear label, stamp, or other markings of specified testing agency.

f. Plastic pipe and components shall be marked with NSF certification for potable water.

g. All plastic pipe and components shall comply with ANSI/NSF14, Plastic Pipe

Components and Related Materials.

1.5 SYSTEM PERFORMANCE REQUIREMENTS

A. Minimum Working Pressures: The following are minimum pressure requirements for piping and specialties, unless otherwise indicated:

a. Potable-Water Service: 125 psig.

1.6 PROJECT CONDITIONS

A. Existing utilities shall not be disrupted or turned off without written approval from the Contracting Officer. Unless otherwise noted, the Contractor shall provide temporary utility service prior to the interruption of service. Temporary service shall be provided until the permanent service is restored.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver piping with factory-applied end-caps. Maintain end-caps through shipping, storage, and handling to prevent pipe-end damage and to prevent entrance of dirt, debris, and moisture.

a. Protect flanges, fittings, and specialties from moisture and dirt.

b. Store plastic piping protected from direct sunlight. Support to prevent sagging and bending.

1.8 COORDINATION

A. Coordinate connection to water main with utility company.

B. Coordinate and schedule work activity with contracting officer to reduce conflicts with utility disruptions. In addition to written plans and schedules, the contractor shall notify the contracting officer 48 hours in advance of any utility disruptions. Utility service shall not be disrupted without approval from the Contracting Officer.

1.9 MEASUREMENT AND PAYMENT

A. METHOD OF MEASUREMENT

a. The completed item will be measured as set forth in the Schedule of Items.

b. No deduction will be made for pipe length taken up by valves, meters, or fittings.

c. Measurement will stop at the water storage tank limit.

d. Measurement will include trenches and backfill including combination of utilities listed on the Schedule of Items.

e. Items of work not shown in the Schedule of Items will not be measured for payment and will be considered incidental to other Pay Items.

B. PAYMENT

a. Payment will be made at the Contract unit price for each type of component including backfill and excavation as set forth in the Schedule of Items, which will include all materials, labor, equipment, disinfection, appurtenances and incidentals necessary to complete the work specified in this Section.

b. Trenches and backfills will not be paid for separately and will be considered incidental to other Pay Items.

c. Items of work not shown in the Schedule of Items will not be paid for separately and will be considered incidental to other Pay Items.

2.1 GENERAL

A. Unless otherwise noted, all waterlines, pipes, valves, fittings, meters, switches, and all other water system products and materials shall be new and unused, of the type, pressure rating or class, and size specified and as shown on the drawings, and NSF (National Sanitation Foundation) 61 approved for use in potable drinking water systems.

2.2 HIGH DENSITY POLYETHYLENE (HDPE) PIPE

A. Pipe

a. HDPE plastic pipe shall be PE-3408 as defined in ASTM D1248, with a minimum cell classification of 345464C in accordance with ASTM D3350.

The pipe shall be SDRl 1, 160 psig minimum pressure rating and comply dimensionally with ASTM D3035.

b. Pipe shall be manufactured in accordance with AWWA C901 for sizes½" through 3".

c. HDPE pipe larger than 2" diameter shall be provided in 40-foot lengths rather than rolls. HDPE pipe 2" and smaller shall be provided in rolls.

d. The joining method shall be butt fusion method and shall be performed in strict accordance with the pipe manufacturer's recommendations. Butt fusion equipment used in the joining procedures shall be capable of meeting all conditions recommended by the pipe manufacturer, including but not limited to, temperature requirements, alignment, and fusion pressures. Ribbed steel inserts with stainless steel clamps are not approved for HDPE pipe.

e. The HDPE pipe shall be Geo-Flo as manufactured by PW Poly, Hastings, NE,

(888) 437-9919 or Cen Fuse Pipe as manufactured by Centennial Plastics LLC, Hastings, NE (866) 851-2227 or approved equal and supplied by Grand Junction Pipe and Supply, Grand Junction, Colorado (970) 243-4604.

B. Fittings

a. HDPE fittings shall be made from material meeting the same requirements as the pipe.

b. Molded fittings shall be manufactured in accordance with either ASTM D2683 for socket fused or ASTM D3261 for butt fused and shall be so marked.

c. All HDPE fittings shall have the same or higher pressure rating and compositions.

d. HDPE elbows, tees and reducers shall be as manufactured by Central Plastics Co., Shawnee, OK, (800) 654-3872 or approved equal, and as supplied by Grand Junction Pipe and Supply, Durango, CO (888) 385-6733.

2.3 GALVANIZED STEEL PIPE (GSP)

A. ASTM A53 for Pipe

a. Pipe 4-inch diameter and smaller. Schedule 40.

b. Plain ends for joining with standard manufactured couplings.

c. Threaded ends shall meet requirements of ASME Bl.20.1.

B. Fittings

a. ASTM A53. Schedule 40.

b. For threaded ends use Teflon thread sealing tape.

2.4 MECHANICAL-JOINT, DUCTILE-IRON PIPE

A. AWWA C151, with mechanical-joint, bell- and plain-spigot end unless grooved or flanged ends are indicated.

a. Mechanical-Joint, Ductile-Iron Fittings: AWWA C110, ductile- or gray-iron standard pattern or AWWA C153, ductile-iron compact pattern.

b. Glands, Gaskets, and Bolts: AWWA Cl 11, ductile- or gray-iron glands, rubber gaskets, and steel bolts.

2.5 PUSH-ON-JOINT, DUCTILE-IRON PIPE

A. AWWA C151, with push-on-joint, bell- and plain-spigot end unless grooved or flanged ends are indicated.

a. Push-on-Joint, Ductile-Iron Fittings: AWWA Cl 10, ductile- or gray-iron standard pattern or AWWA C153, ductile-iron compact pattern.

b. Gaskets: AWWA C111, rubber.

2.5 PVC, SCHEDULE PIPE

A. PVC Schedule 40 Pipe:

a. ASTM 1785.

b. PVC, Schedule 40 Socket Fittings: ASTM D 2466.

B. PVC, Schedule 80 Pipe: ASTM D 1785.

a. PVC, Schedule 80 Socket Fittings: ASTM D 2467.

2.7 PVC, AWWA Pipe

A. AWWA C900, Class 150 and Class 200, with bell end with gasket and spigot end.

a. Comply with UL 1285 for fire-service mains if indicated.

b. PVC Fabricated Fittings: AWWA C900, Class 150 and Class 200, with bell and-spigot or double-bell ends. Include elastomeric gasket in each bell.

c. PVC Molded Fittings: AWWA C907, Class 150, with bell-and-spigot or double-bell ends. Include elastomeric gasket in each bell.

2.8 PVC, Pressure Rated Pipe (SDR series)

A. Pipe shall conform to ASTM D1784 and D2241.

B. Pipe shall bear NSF seal of approval for potable water applications.

C. Pipe shall be SDR 13.5 pressure classification with a maximum working pressure of 315 psi.

D. Joints to be integral bell utilizing Rieber gasket system for sealing, meeting

ASTMF477.

2.9 COUPLINGS FOR SIMILAR OR DISSIMILAR PIPE

A. Compression type transition fittings for making connections between like and dissimilar pipe materials shall be designed to enable a variety of connections between polyethylene pipes to various pipes. Fittings shall be Cepex performance series compression fittings as manufactured by Cepex Holding, S.A. and distributed by The Lateral Connection Corp., Sparks, NV 89434 (775) 626-6777 or approved equal and supplied by Ferguson Waterworks, Denver, CO, (303) 571- 4444 or approved equal.

2.10 PIPE SLEEVE

A. PVC, Schedule 80 Pipe: ASTM D 1785.

a. PVC, Schedule 80 Socket Fittings: ASTM D 2467.

2.11 FLAT STEEL SUCTION STRAINER

A. Zinc plated, 16-gauge, cold-rolled steel strainer with threaded end to attach to GSP pipe, part SSS6, as manufactured by Campbell Manufacturing, Inc., Bechtelsville, PA, (800) 523-0224 or approved equal.

2.12 INSECT SCREEN

A. 24-mesh woven wire cloth, type 304 stainless steel standard grade, non corrodible.

2.13 RIPRAP AT DAYLIGHT DRAIN

A. Riprap shall consist of hard, dense, durable stone, angular in shape and resistant to weathering. Rounded stone or boulders will not be accepted as riprap material.

Individual stones shall have dimensions of 6" to 12". Source of stone shall be from rocks uncovered on site during construction operations or from a commercial source.

2.14 CURB STOP

A. One-piece, closed-bottom body with tee head and plug integrally cast, 0-ring sealed design, and 175 psig maximum working pressure.

a. Minneapolis pattern.

b. Female iron pipe inlet by female iron pipe outlet.

c. Hole for attaching curb box rod or handle in provided in tee head.

d. Heavy cast bronze body construction conforming to AWWA C800.

B. Curb stops shall be Mueller 300 Ball Curb Valve, sized for pipe diameter and material, both ends female threaded with Minneapolis patter top, model number B20287, as manufactured by Mueller Co., Decatur, Illinois, (800) 423-1323, or approved equal.

C. Curb stops shall be 300 psig Ball Curb Stops, sized for pipe diameter and material, both ends female threaded with Minneapolis pattern top, model number 6105, as manufactured by A.Y. McDonald, Mfg., Co., Dubuque, Iowa, (800) 292-2737, or approved equal.

2.15 CURB BOX

A. Extension type curb box with threaded Minneapolis pattern base, cast iron base, steel pipe telescoping upper section.

B. Curb boxes shall be manufactured by the same company as the curb stop and sized to fit curb stop.

C. Lids shall be two-piece, cast iron with brass pentagon plug and have lettering "WATER" permanently imprinted on them.

D. Box shall be equipped with stationary rod. The rod length shall be within 12 inches of the top of the box.

E. Curb box, complete with…