Sup Tech Specs.pdf

U.S.D.A. Forest Service

Kelly Forks Work Center and Powell Ranger Station

Water Supply Line Replacement

Supplemental Technical Specifications

April 2010

Prepared by

J-U-B ENGINEERS, Inc.

7825 Meadowlark Way

Coeur d’Alene, Idaho 83815 (208)762-8787

1 Table of Contents

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U.S.D.A. Forest Service

Kelly Forks Work Center and Powell Ranger Station

Water Supply Line Replacement

Table of Contents

Supplemental Technical Specifications

Section 01300 – Submittals

Section 01400 – Quality Control

Section 01600 – Materials and Equipment

Section 01700 – Contract Closeout

Section 01730 – Operation and Maintenance Data

Section 02324 – Trenching and Backfilling for Utilities

Section 02512 – Site Water Distribution

Section 02516 – Disinfection of Water Distribution Systems

Section 02924 – Grass Establishment

Section 03300 – Cast-in-Place Reinforced Concrete

SECTION 01300 - 1 SUBMITTALS

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SECTION 01300

SUBMITTALS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Submittal procedures

B. Construction progress schedules

C. Proposed products list

D. Shop drawings

E. Product data

F. Samples

G. Manufacturers’ instructions

H. Manufacturers’ certificates

1.2 RELATED SECTIONS

A. Section 01400 - Quality Control: Manufacturers’ field services and reports

B. Section 01700 - Contract Closeout: Contract warranty and manufacturer’s certificates and closeout submittals

1.3 SUBMITTAL PROCEDURES

A. Transmit each submittal with a letter of transmittal containing all pertinent information required for identification and checking of submittals.

B. Sequentially number the transmittal forms. Resubmittals to have original number with an alphabetic suffix.

SECTION 01300 - 2 SUBMITTALS

C. Identify project, Contractor, subcontractor or supplier; pertinent drawing sheet and detail number(s); and specification section number, as appropriate.

D. Apply Contractor’s stamp, signed or initialed, certifying that review, verification of products required, field dimensions, adjacent construction work, and coordination of information is in accordance with the requirements of the work and Contract Documents.

E. It shall be the Contractor’s responsibility to submit all items with such promptness as to cause no delay in the work. Contractor shall obtain approval before starting work that involves the item. Contractor shall allow fifteen (15) days for processing of submittals by the Contracting

Officer.

F. Identify all variations from Contract Documents and product or system limitations that may be detrimental to successful performance of the completed work.

G. Provide space for Contractor and Contracting Officer review stamps.

H. Revise and resubmit submittals as required; identify all changes made since previous submittal.

I. When specified in the specification section, the Contractor shall submit a copy of the technical specification with each subsection clearly marked for conformance to the subsection or exceptions taken. Where exceptions are taken, all necessary information and supporting calculations to evaluate the deviation shall be attached. The

Contracting Officer retains the right to reject the proposed deviation in favor of the specification, as written.

J. Distribute copies of reviewed submittals to concerned parties. Instruct parties to report any inability to comply with provisions.

1.4 CONSTRUCTION PROGRESS SCHEDULES

A. Submit initial progress schedule in duplicate within 15 days after date established in Notice to Proceed for Contracting Officer review. Submit progress schedule no later than Preconstruction Conference.

B. Revise and resubmit as required.

SECTION 01300 - 3 SUBMITTALS

C. Submit revised schedules with each Application for Payment, identifying changes since previous version.

D. Show complete sequence of construction by activity, identifying work of separate stages and other logically grouped activities. Indicate the early and late start, early and late finish, float dates, and duration.

E. Indicate estimated percentage of completion for each item of work at each submission.

F. Indicate submittal dates required for shop drawings, product data, samples, and product delivery dates.

1.5 PROPOSED PRODUCTS LIST

A. Within 15 days after date of Notice to Proceed, compile and submit complete list of major products proposed for use, with name of manufacturer, trade name, and model number of each product.

B. For products specified only by reference standards, give manufacturer, trade name, model or catalog designation, and reference standards.

1.6 SHOP DRAWINGS

A. Shop drawings are required as indicated in the individual sections.

These drawings shall show adequate dimensions to review submittals for fit.

B. Submit the number of copies which Contractor requires, plus the number indicated in the individual section, which will be retained by

Contracting Officer.

C. After review distribute in accordance with the procedures above and for Record Documents described in Section 01700 - Contract Closeout.

1.7 PRODUCT DATA

A. Submit the number of copies the Contractor requires, plus three copies that will be retained by the Contracting Officer.

B. Mark each copy to identify applicable products, models, options, and other data. Supplement manufacturers’ standard data to provide information unique to this project.

SECTION 01300 - 4 SUBMITTALS

C. After review, distribute in accordance with Article on Procedures above and provide copies for Record Documents described in Section 01700 -

Contract Closeout.

1.8 SAMPLES

A. Submitted samples in accordance with the following requirements when requested in individual sections or as requested by the

B. Submit samples to illustrate functional and aesthetic characteristics of the product, with integral parts and attachment devices. Coordinate sample submittals for interfacing work.

C. Submit samples of finishes from the full range of manufacturers’ standard colors, textures, and patterns for Contracting Officer’s selection.

D. Include identification on each sample, with full project information.

E. Submit the number or samples specified in individual specification sections, one of which will be retained by Contracting Officer.

F. Reviewed samples that may be used in the work are indicated in individual specification sections.

1.9 MANUFACTURER’S INSTRUCTIONS

A. When specified in individual specification sections, submit manufacturers’ printed instructions for delivery, storage, assembly, installation, startup, adjusting, and finishing, in quantities specified for

Product Data.

B. Identify conflicts between manufacturers’ instructions and Contract

Documents.

1.10 MANUFACTURER'S CERTIFICATES

A. When specified in individual specification sections, submit manufacturers’ certificate to Contracting Officer for review, in quantities specified for Product Data.

SECTION 01300 - 5 SUBMITTALS

B. Indicate material or product conforms to or exceeds specified requirements. Submit supporting reference date, affidavits, and certifications as appropriate.

C. Certificates may be recent or previous test results on material or product, but must be acceptable to Contracting Officer.

1.11 SPARE PARTS AND MAINTENANCE MATERIALS

A. Provide products, spare parts, maintenance, and extra materials in quantities specified in individual specification sections.

B. Deliver to project site; obtain receipt prior to final payment.

1.12 SUBMITTAL LIMIITS

A. Two submittals will be permitted for each item in this section at no cost to the Contractor. The two submittals include one initial submittal and one resubmittal.

B. All subsequent submittals (greater than two) will be made at the

Contractor’s cost for Contracting Officer’s time and materials until each submittal is approved.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

END OF SECTION

SECTION 01400 - 1 QUALITY CONTROL

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SECTION 01400

QUALITY CONTROL

A. Quality assurance and control of installation

B. References

C. Construction Observation

D. Manufacturers’ field services and reports

A. Section 01300 - Submittals: Submission of Manufacturers’ Instructions and Certificates

B. Section 01600 - Material and Equipment: Requirements for material and product quality

1.3 QUALITY ASSURANCE/CONTROL OF INSTALLATION

A. Monitor quality control over suppliers, manufacturers, products, services, site conditions, and workmanship to produce work of specified quality.

B. Comply fully with manufacturers’ instructions, including each step in sequence.

C. Should manufacturers’ instructions conflict with Contract Documents, request clarification from Contracting Officer before proceeding.

D. Comply with specified standards as a minimum quality for the work except when more stringent tolerances, codes, or specified requirements indicate higher standards or more precise workmanship.

E. Perform work by persons qualified to produce workmanship of specified quality.

SECTION 01400 - 2 QUALITY CONTROL

F. Secure products in place with positive anchorage devices designed and sized to withstand stresses, vibration, physical distortion, or disfigurement.

1.4 REFERENCES

A. Conform to reference standard by date of issue current on date of

Contract Documents.

B. Should specified reference standards conflict with Contract

Documents, request clarification for Contracting Officer before proceeding.

C. The contractual relationship of the parties to the Contract shall not be altered from the Contract Documents by mention or inference otherwise in any reference document.

1.5 CONSTRUCTION OBSERVATION

A. The Contracting Officer shall provide observation during construction.

B. The Contracting Officer will oversee observation of all tests run in the field.

C. The Contractor shall provide the equipment and manpower to conduct all acceptance tests (leak, pressure, performance, water quality, soil analysis, etc.) as required in the specifications.

D. The Contractor shall provide compaction testing through an independent and licensed testing company acceptable to the

E. Reports will be submitted to the Contracting Officer, in duplicate, indicating observations and results of tests and indicating compliance or non-compliance with Contract Documents.

F. Cooperate with the Contracting Officer; furnish samples of materials, equipment, tools, storage, and assistance as requested.

1. Notify the Contracting Officer 48 hours prior to expected time for operations requiring observation of acceptance testing.

SECTION 01400 - 3 QUALITY CONTROL

G. Retesting required because of non-conformance to specified requirements shall be performed on instructions by the Contracting

Officer. Costs for retesting shall be borne by the Contractor.

1.6 MANUFACTURERS’ FIELD SERVICES AND REPORTS

A. When specified in individual specification sections, require material or product suppliers or manufacturers to provide qualified staff personnel to observe site conditions, conditions of surfaces and installation, quality of workmanship, startup of equipment, test, adjust and balance of equipment, as applicable, and to initiate instructions when necessary.

B. Individuals to report observations and site decisions or instructions given to applicators or installers that are supplemental or contrary to manufacturers’ written instructions.

C. Submit report within 15 days of observation to Contracting Officer for review.

SECTION 01600 - 1 MATERIALS AND EQUIPMENT

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SECTION 01600

MATERIALS AND EQUIPMENT

A. Products

B. Transportation and handling

C. Storage and protection

D. Product options

E. Substitutions

A. Section 01400 - Quality Control: Product quality monitoring

1.3 PRODUCTS

A. Products: Means new, unused material, machinery, components, equipment, fixtures, and systems forming the work. Does not include machinery and equipment used for preparation, fabrication, conveying, and erection of the work. Products may also include existing materials or components required for reuse, if specified.

B. Do not use materials and equipment removed from existing premises, except as specifically permitted by the Contract Documents, plans, or as approved by the Contracting Officer.

C. Provide interchangeable components of the same manufacturer for similar components.

1.4 TRANSPORTATION AND HANDLING

A. Transport and handle products in accordance with manufacturer’s instructions.

SECTION 01600 - 2 MATERIALS AND EQUIPMENT

B. Promptly review shipments to assure that products comply with requirements, quantities are correct, and products are undamaged.

C. Provide equipment and personnel to handle products by methods to prevent soiling, disfigurement, or damage.

1.5 STORAGE AND PROTECTION

A. Store and protect products in accordance with manufacturer’s instructions, with seals and labels intact and legible. Store sensitive products in weather-tight, climate controlled enclosures.

B. For exterior storage of fabricated products, place on sloped supports, above ground.

C. Provide offsite storage and protection when site does not permit onsite storage or protection.

D. Cover products subject to deterioration with impervious sheet covering. Provide ventilation to avoid condensation and degradation of products.

E. Store loose granular materials on solid flat surfaces in a well-drained area. Prevent mixing with foreign matter.

F. Provide equipment and personnel to store products by methods to prevent soiling, disfigurement, or damage.

G. Arrange storage of products to permit access for review. Periodically review to assure products are undamaged and are maintained under specified conditions.

1.6 PRODUCT OPTIONS

A. Products Specified by Reference Standards or by Description Only:

Any product meeting those standards or description as determined by the Contracting Officer.

B. Products Specified by Naming One or More Manufacturers with a

Provision for Substitutions: Submit a request for substitution for any manufacturer not named.

SECTION 01600 - 3 MATERIALS AND EQUIPMENT

1.7 SUBSTITUTIONS

A. Document each request with complete data substantiating compliance of proposed substitution with Contract Documents.

B. A request constitutes a representation that the Contractor:

1. Has investigated proposed product and determined that it meets or exceeds the quality level of the specified product.

2. Will provide the same warranty for the substitution as for the specified product.

3. Has reviewed installation for fit with existing or new components and construction constraints.

4. Will coordinate installation and make changes to other work that may be required for the work to be complete with no additional cost.

5. Waives claims for additional costs or time extension that may subsequently become apparent.

C. Substitutions will not be considered when they are indicated or implied on shop drawing or product data submittals, without separate written request, or when acceptance will require revision to the

Contract Documents.

D. Substitution Submittal Procedure:

1. Submit three copies of request for substitution for consideration.

Limit each request to one proposed substitution.

2. Submit shop drawings, product data, and certified test results attesting to the proposed product equivalence.

3. The Contracting Officer will notify Contractor, in writing, of decision to accept or reject request.

SECTION 01600 - 4 MATERIALS AND EQUIPMENT

SECTION 01700 - 1 CONTRACT CLOSEOUT

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SECTION 01700

CONTRACT CLOSEOUT

A. Closeout procedures

B. Final cleaning

C. Adjusting

D. Project record documents

E. Warranties

F. Spare parts and maintenance materials

A. Section 01730 – Operation and Maintenance Data

1.3 CLOSEOUT PROCEDURES

A. Provide submittals to Contracting Officer that are required by governing or other authorities.

B. Submit final Application for Payment identifying total adjusted

Contract Sum, previous payments, sum remaining due, waiver of lien for all work, material, and subcontractors.

1.4 FINAL CLEANING

A. Execute final cleaning prior to final review.

B. Clean equipment and fixtures to a sanitary condition.

C. Clean debris from drainage systems.

D. Clean site; sweep paved surfaces, rake clean landscaped surfaces.

SECTION 01700 - 2 CONTRACT CLOSEOUT

E. Remove waste and surplus materials, rubbish, and construction facilities from the site.

1.5 SURFACE RESTORATION

A. Restore any damaged surface to a condition equal to or better than it was prior to construction.

1.6 ADJUSTING

A. Adjust operating products and equipment to ensure smooth and unhindered operation.

B. Adjust all products to assure smooth and proper fit.

1.7 PROJECT RECORD DOCUMENTS

A. Maintain onsite one set of the following record documents; record actual revisions to the work:

1. Contract Drawings

2. Specifications

3. Addenda

4. Change Orders and other modifications to the Contract

5. Reviewed shop drawings, product data, and samples

B. Store Record Documents separate from documents used for construction.

C. Record information concurrent with construction progress.

D. Specifications: Legibly mark and record at each product section description of actual products installed, including the following:

1. Manufacturer’s name and product model and number

2. Product substitutions or alternates utilized

3. Changes made by Addenda and Modifications

SECTION 01700 - 3 CONTRACT CLOSEOUT

E. Record Documents and Shop Drawings: Legibly mark each item to record actual construction, including:

1. Measured horizontal and vertical locations of underground utilities and appurtenances, referenced to permanent surface improvements

2. Measured locations of utilities and appurtenances concealed in construction, referenced to visible and accessible features of the work

3. Field changes of dimension and detail

4. Details not on original Contract Drawings

F. Submit documents to Contracting Officer with claim for final

Application for Payment.

1.8 SPARE PARTS AND MAINTENANCE MATERIALS

A. Provide products, spare parts, maintenance and extra materials in quantities specified in individual specification sections.

B. Deliver to project site or to site designated by the Contracting Officer.

SECTION 01730 - 1 OPERATION AND MAINTENANCE DATA

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SECTION 01730

OPERATION AND MAINTENANCE DATA

1.1. SECTION INCLUDES

A. Format and content of manuals

B. Instruction of Government’s personnel

C. Schedule of submittals

1.2. RELATED SECTIONS

A. Section 01300 - Submittals

B. Section 01400 - Quality Control: Manufacturers’ instructions

C. Section 01600 - Material and Equipment: Systems demonstration

D. Section 01700 - Contract Closeout: project record documents

E. Individual Specifications Sections: Specific requirements for operation and maintenance data

1.3. QUALITY ASSURANCE

A. Prepare instructions and data by personnel experienced in maintenance and operation of described products.

1.4. FORMAT

A. Prepare data in the form of a reference manual.

B. Binders: Commercial quality, 8½ x 11, three D side ring binders with durable plastic covers; 2-inch maximum ring size. When multiple binders are used, correlate data into related, consistent groupings.

SECTION 01730 - 2 OPERATION AND MAINTENANCE DATA

C. Cover: Identify each binder with typed or printed title OPERATION AND

MAINTENANCE INSTRUCTIONS; identify title of project; identify subject matter of contents.

D. Provide tabbed dividers for each separate product and system, with typed description of product and major component parts of equipment.

E. Text: Manufacturer’s printed data, or typewritten data on 20 pound paper.

F. Drawings: Provide with reinforced punched binder tab. Bind in with text; fold larger drawings to size of text pages.

G. Contents: Prepare a Table of Contents for each volume, with each

Product or system description identified, in three parts as follows:

1. Part 1: Directory, listing names, addresses, and telephone numbers of Contracting Officer, Contractor, Subcontractors, and major equipment suppliers.

2. Part 2: Operation and maintenance instructions arranged by system and subdivided by components. For each category, identify names, addresses, and telephone numbers of

Subcontractors and suppliers. Identify the following where applicable:

a. Significant design criteria

b. List of equipment

c. Parts list for each component

d. Operating instructions

e. Maintenance instructions for equipment and systems

f. Maintenance instructions for finishes, including recommended cleaning methods and materials, and special precautions identifying detrimental agents

3. Part 3: Project documents and certificates, including the following:

a. Shop drawings and product data

b. Certificates

c. Photocopies of warranties (and bonds)

SECTION 01730 - 3 OPERATION AND MAINTENANCE DATA

1.5. CONTENTS, EACH VOLUME

A. Table of Contents: Provide title of project; names, addresses, and telephone numbers of Contracting Officer, subconsultants, and

Contractor with name of responsible parties; schedule of products and systems, indexed to content of the volume.

B. For Each Product or System: List names, addresses and telephone numbers of Subcontractors and suppliers, including local source of supplies and replacement parts.

C. Product Data: Mark each sheet to clearly identify specific products and component parts, and data applicable to installation. Delete inapplicable information.

D. Drawings: Supplement product data to illustrate relations of component parts of equipment and systems, to show control and flow diagrams.

E. Typed Text: As required to supplement product data. Provide logical sequence of instructions for each procedure, incorporating manufacturer’s instructions specified in Section 01400.

F. Warranties: Bind in copy of each.

G. Bonds: Bind in photocopy of each.

1.6. MANUAL FOR EQUIPMENT AND SYSTEMS

A. Each Item of Equipment and Each System: Include description of unit or system, and component parts. Identify function, normal operating characteristics, and limiting conditions. Include performance curves, with engineering data and tests, and complete nomenclature and model number of replaceable parts.

B. Operating Procedures: Include start-up, break-in, and routine normal operating instructions and sequences. Include regulation, control, stopping, shut-down, and emergency instructions. Include summer, winter, and any special operating instructions.

C. Maintenance Requirements: Include routine procedures and guide for preventative maintenance and trouble shooting; disassembly, repair, SECTION 01730 - 4 OPERATION AND MAINTENANCE DATA and reassembly instructions; and alignment, adjusting, balancing, and checking instructions.

D. Include manufacturer’s printed operation and maintenance instructions.

E. Include sequence of operation by controls manufacturer.

F. Provide original manufacturer's parts list, illustrations, assembly drawings, and diagrams required for maintenance.

G. Provide control diagrams by controls manufacturer as installed.

H. Provide list of original manufacturer's spare parts, current prices, and recommended quantities to be maintained in storage.

I. Provide a listing in Table of Contents for design data, with tabbed dividers and space for insertion of data.

J. Provide as a minimum manufacturer’s operation and maintenance manual for:

1. Water System Components (pipe, valves, etc.).

1.7. INSTRUCTION OF GOVERNMENT PERSONNEL

A. Before final inspection, instruct Government’s designated personnel in operation, adjustment, and maintenance of products, equipment, and systems, at agreed upon times.

B. Use operation and maintenance manuals as basis for instruction. Review contents of manual with personnel in detail to explain all aspects of operation and maintenance.

C. Prepare and insert additional data in Operation and Maintenance Manual when need for such data becomes apparent during instruction.

1.8. SUBMITTALS

A. Submit two (2) copies of preliminary draft or proposed formats and outlines of contents before start of Work. Contracting Officer will review draft and return one copy with comments.

SECTION 01730 - 5 OPERATION AND MAINTENANCE DATA

B. For equipment, or component parts of equipment put into service during construction and operated by Government, submit documents within ten days after acceptance.

C. Submit two (2) copies of complete volumes 15 days prior to final inspection. One copy will be reviewed and returned after final inspection, with Contracting Officer comments. Revise content of all document sets as required prior to final submission.

D. Submit four (4) sets of revised final volumes in final form within 10 days after final inspection.

SECTION 02324 - 1 TRENCHING AND BACKFILLING

FOR UTILITIES

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SECTION 02324

TRENCHING AND BACKFILLING FOR UTILITIES

A. Trenching, backfilling and compacting for utilities

A. Section 01400 - Quality Control

B. Section 02512 – Site Water Distribution

1.3 REFERENCES

A. ANSI/ASTM C136 - Method for Sieve Analysis of Fine and Coarse

Aggregates

B. ANSI/ASTM D1557 - Test Methods for Moisture-Density Relations of

Soils and Soil-Aggregate Mixtures Using 10 lb (4.54 Kg) Rammer and 18 inch (457 mm) Drop

C. ASTM D2922 - Test Methods for Density of Soil and Soil-Aggregate in

Place by Nuclear Methods (Shallow Depth)

D. 29 CFR, Part 1926, Subpart P – Excavations

1.4 SUBMITTALS

A. Submit under provisions of Section 01300.

B. Submit materials testing results.

C. Submit an OSHA Compliance Plan or a health and safety plan for the applicable trench excavations of this section.

SECTION 02324 - 2 TRENCHING AND BACKFILLING

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1.5 FIELD MEASUREMENTS

A. Verify that survey bench mark and intended elevations for the Work are as shown on drawings.

2.1 BACKFILL MATERIALS

1. Subsoil: Native subsoil excavated from onsite, graded, free of lumps larger than 3 inches, rocks larger than 3 inches in the largest dimension, frozen material, and debris.

2.2 BEDDING MATERIALS

A. Bedding material supplied by Government at the following locations:

Within 1 mile of the Kelly Forks Work Center.

Within 3 miles of the Powell Ranger Station.

Contractor responsible for loading and transporting pipe bedding materials at no cost to Government. Contractor may substitute the following gradations at no cost to the Government:

1. Crushed Gravel: Free of shale, clay, friable material and debris;

graded in accordance with ANSI/ASTM C136, ASTM D2487 Group

Symbol GW; within the following limits (alternative gradations will be considered):

Sieve Size Percent Passing

3/4 inch 90 to 100

3/8 inch 60 to 85

No. 200 3 to 9

2. Pea Gravel: Natural stone; free of clay, shale, organic matter;

graded in accordance with ANSI/ASTM C136, to the following:

Minimum Size: 1/4 inch

Maximum Size: 5/8 inch

SECTION 02324 - 3 TRENCHING AND BACKFILLING

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3. Sand: Natural river or bank sand; free of silt, clay, loam, friable, soluble or organic matter; uniform in size with no material larger than ¾ inch.

3.1 EXAMINATION

A. Verify that fill materials to be reused is acceptable.

3.2 PREPARATION

A. Identify required lines, levels, contours, and datum.

B. Identify, maintain and protect existing utilities remaining, which pass through work area.

C. Protect bench marks, existing structures, etc. from excavation equipment and vehicular traffic.

D. Protect above and below grade utilities which are to remain.

E. Cut out soft areas of subgrade not capable of in situ compaction.

Backfill with acceptable native subsoil, and compact to ninety-five percent (95%) of its maximum dry density in accordance with

ANSI/ASTM-D1557 to a point 4 inches below the bottom of the pipe.

F. Provide means by which natural drainage ways can be diverted away during trenching. Do not permit runoff water to enter the trench.

3.3 EXCAVATION

A. Underpin adjacent structures which may be damaged by excavation.

B. Support any utility pole which may become undermined by excavation.

C. Excavate subsoil required for water piping, culverts and other utilities.

SECTION 02324 - 4 TRENCHING AND BACKFILLING

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D. Cut trenches sufficiently wide to enable safe installation of utilities and allow review, meeting dimensions shown on the plans. Minimize the length of open trenches and comply with the applicable OSHA trench safety requirements of 29 CFR, Part 1926, Subpart P.

E. Excavation shall not interfere with normal 45 degree bearing splay of foundations.

F. Provide trench bracing as necessary in accordance to safety standards.

G. Hand trim excavation. Hand trim for bell and spigot pipe joints.

Remove loose matter.

H. Remove lumped subsoil, boulders, and rock up to 1/3 C.Y., measured by volume.

I. Correct unauthorized excavation using suitable backfill materials, at no additional cost.

J. Provide means for removing ground water from trench. No pipe shall be laid in a trench with standing water in it.

3.4 BEDDING

A. Support pipe during placement and compaction of bedding. Refer to

Section 02512 for additional bedding installation requirements.

3.5 BACKFILLING

A. Backfill trenches to contours and elevations with unfrozen materials.

B. Systematically backfill to allow maximum time for natural settlement.

Do not backfill over porous, wet, frozen or spongy subgrade surfaces.

C. Place and compact material in continuous layers according to trench location:

1. Trenches Within Roadways: Bottom of excavation and bedding shall be hand-tamped. Balance of backfill shall be placed in 6 inch loose lifts and compacted with a minimum of 3 passes with a whacker-type mechanical compactor or equivalent approved by

SECTION 02324 - 5 TRENCHING AND BACKFILLING

\\Cdafiles\public\Projects\JUB\20-09-058 USFS Kelly WC_Powell RS\Documents\Specs\02324.DOC the Contracting Officer. Compact around pipe barrel and bells by hand tamping.

2. Remainder of Trenches: Bottom of trench and bedding shall be hand-tamped. Compaction of remaining backfill by placing material in 12 inch lifts or less and compacting each lift with 3 passes with the tamper. Backfill material shall be neatly mounded over the trench.

D. Employ a placement method that does not disturb or damage pipe in trench.

E. Maintain moisture content within 2% of optimum moisture content for fill materials to attain required compaction density.

3.6 FIELD QUALITY CONTROL

A. Field review and testing will be performed under provisions of Section

01400.

B. Tests and analysis of fill material if required by Contracting Officer will be performed in accordance with ANSI/ASTM C136, ANSI/ASTM

D1557 , ANSI/ASTM D2922and with Section 01400.

C. Hand tamping will be defined as one pass over the entire trench with a maximum 40 square inch tamping foot weighing at least 8 pounds.

Minimum gravity free-fall of tamper shall be 12 inches. An equivalent method may be used if approved by the Contracting Officer.

D. The number of tamper passes required may be reduced upon acceptance by the Contracting Officer, if approved test method results demonstrate that the backfill compaction meets or exceeds the density of the natural ground adjacent to the trench. Any such testing shall be performed at the Contractor’s expense.

E. If tests indicate Work does not meet specified requirements, Contractor shall remove Work, replace, compact, and retest at no additional cost.

3.7 PROTECTION OF FINISHED WORK

A. Protect trench excavation to prevent cave in.

SECTION 02324 - 6 TRENCHING AND BACKFILLING

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B. Maintain and protect finished Work until project is completed.

SECTION 02512 - 1 SITE WATER DISTRIBUTION

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SECTION 02512

SITE WATER DISTRIBUTION

A. Pipe

B. Fittings

C. Valves

D. Hydrants

E. Couplings

F. Appurtenances and Accessories

B. Section 01400 - Quality Control

C. Section 02324 – Trenching and Backfilling for Utilities

D. Section 02516 – Disinfection of Water Distribution Systems

A. ANSI/AWWA C115/A21.15: Flanged Ductile Iron Pipe with

Threaded Flanges

B. ANSI/AWWA C110/A21.10: Ductile Iron and Gray-Iron Fittings for

Water and Other Liquids

C. ANSI/AWWA C111/A21.11: Rubber Gasket Joints for Ductile-Iron and Gray-Iron Pressure Pipe and Fittings

D. ANSI/AWWA C104/A21.4: Cement-Mortar Lining for Ductile-Iron

Pipe and Fittings for Water

SECTION 02512 - 2 SITE WATER DISTRIBUTION

E. ANSI/AWWA C509 - Resilient Seated Gate Valves

F. ANSI/AWWA C605 – Underground Installation of PVC Pressure Pipe and Fittings for Water

G. ANSI/AWWA C900 - Polyvinyl Chloride (PVC) Pressure Pipe, 4 inch through 12 inch, for Water Distribution

H. ANSI/AWWA C901 – Polyethylene (PE) Pressure Pipe and Tubing, ½ inch through 3 inch, for Water Service

I. ANSI/AWWA C906 – Polyethylene (PE) Pressure Pipe and Fittings, 4 inch through 63 inch, for Water Distribution

J. ASTM-A120 - Pipe, Steel, Black and Hot-dipped Zinc Coated

(Galvanized), Welded and Seamless

K. 29 CRF – Applicable portions relating to excavation, trenching and confined spaces

A. Submit Under Provisions of Section 01300.

B. Product Data: Provide data on pipe materials, pipe fittings, valves and all other accessories.

C. Submit manufacturer’s installation instructions.

D. Submit an OSHA Compliance Plan or a health and safety plan for all applicable trench excavations and confined spaces.

1.5 PROJECT RECORD DOCUMENTS

A. Accurately record actual location of constructed pipe lines in relation to existing permanent benchmarks.

B. Accurately record all fittings, valves, etc. and their locations.

SECTION 02512 - 3 SITE WATER DISTRIBUTION

1.6 DELIVERY, STORAGE AND HANDLING

A. Unload, store and load pipe in a manner which prevents shock, damage or excessive exposure to sunlight and weather.

1.7 QUALITY ASSURANCE

A. Perform Work in accordance with AWWA and Idaho Standard for

Public Works Construction.

1.8 COORDINATION

A. Coordinate with the Contracting Officer (CO) at least forty-eight

(48) hours in advance for any interruption of service. Service disruption shall not exceed eight (8) hours.

2.1 PIPE

A. HDPE Pipe

1. Kelly Forks- Spring to Reservoir: 2-inch diameter

ANSI/AWWA C-901, Pressure Class 160, DR 13.5.

2. Kelly Forks- Reservoir to PRV at Work Center: 4-inch diameter ANSI/AWWA C-906, Pressure Class 160, DR 13.5.

3. Powell- Spring to Reservoir: 6-inch diameter ANSI/AWWA C-

906, Pressure Class 160, DR 13.5.

4. HDPE pipe joints shall be thermally fused in accordance with Section 3.2 of this specification. Before proceeding with work, Contractor shall provide CO with documentation that states the fusion machine technician has a minimum of 3 years of experience and has been certified or qualified by the HDPE pipe, fitting or fusion equipment manufacturers to perform fusions in compliance with Code of Federal Regulations title 49 and part 192.285.

SECTION 02512 - 4 SITE WATER DISTRIBUTION

2.2 MECHANICAL JOINT AND MECHANICAL JOINT BY FLANGE FITTINGS

A. Mechanical joint and flange by mechanical joint ductile-iron fittings conforming to ANSI/AWWA C153/A21.53, ductile-iron compact fittings, ANSI/AWWA C110.A21.10 ductile-iron and gray-iron fittings for water, and ANSI/AWWA C111/A21.11 rubber-gasket joints for ductile-iron and gray-iron pressure pipe and fittings and lined with a cement mortar lining conforming to

ANSI/AWWA C104/A21.4.

2.3 FLANGED FITTINGS

A. Flanged fitting conforming to ANSI/AWWA C110/A21.10 ductile-iron and gray-iron fittings for water and ANSI/AWWA C111/A2.11 rubber-gasket joints for ductile-iron and gray-iron pressure pipe and fittings, rated at 250 psi working pressure and lined with cement mortar lining conforming to ANSI/AWWA C104/A21.4.

2.4 GATE VALVES

A. Resilient-Seated Gate Valves conforming to ANSI/AWWA C509.

B. All Gate Valves shall include a Tyler Series 6855 Valve Box and

Lid.

2.5 SANITARY YARD HYDRANT

A. Sanitary Yard Hydrants shall be frost-proof, drain to an integral sealed reservoir below ground, and include a backflow preventer with an automatic drain feature. Merrill NA-9000, ¾-inch hose bibb inlet, bury depth of 6 feet.

2.6 AIR RELEASE VAULT

A. Air release vault shall include the pipe, fittings, valves, saddle, meter boxes, lid, and all other appurtenances as indicated on the drawings and as required for a complete and furnished installation.

2.7 BEDDING MATERIALS

A. Bedding: as specified in Section 02324.

SECTION 02512 - 5 SITE WATER DISTRIBUTION

2.8 ACCESSORIES

A. Concrete for Thrust Blocks: Concrete with a minimum compressive strength of 3000 psi.

B. Locating wire: 10 gauge insulated copper locating wire and epoxy splice kits as manufactured by 3M Company or approved equivalent. Wire insulation shall be blue in color.

C. Warning Tape: Continuous plastic tape as indicated on the drawings.

3.1 EXAMINATIONS

A. Verify excavation under provisions of Section 02324.

B. Verify that excavation will allow a minimum pipe cover as indicated on the drawings. If existing pipelines are less than the required cover, connect to existing pipeline and angle pipe, as necessary, to achieve the required cover for new mains.

C. Verify that excavations are to required alignment, grades, dry, and not over-excavated.

D. Examine pipe and fittings for defects or damage.

E. Verify all pipe, fittings, aggregate, and all materials delivered to the site meet the requirements of these Technical Specifications.

F. Examine existing piping locations and structures where connections are to be made.

3.2 HDPE PIPE JOINT FUSION

A. Join pipe and fittings by the method of Thermal Butt Fusion, as per ASTM D2657, Heat Joining Polyethylene Pipe and Fittings and in accordance with the procedures stated by the pipe, fitting and fusion equipment manufacturers.

SECTION 02512 - 6 SITE WATER DISTRIBUTION

B. Fusion technician shall maintain a field fusion log containing the following basic fusion information: company name, address, telephone number, technician name, project name, pipe manufacturer, interfacial pressure, pipe size, SDR, fusion pressure, drag compensation pressure, heater temperature

(verified w/ pyrometer), heat soak time and fusion joint cooling time. This information will be given to the CO at the end of each day.

C. Pipe may be joined above ground or in the trench, as long as joining process meets the requirements of the pipe, fitting and fusion equipment manufacturer.

D. With approval of CO, socket fusion and Central Plastics Co. or equal electrofusion fusion methods may be performed. The

Contractor shall provide CO with documentation that states the fusion technician has a minimum of 3 years of experience and is currently certified or qualified by HDPE pipe, fitting or fusion equipment manufacturers to perform socket fusion or electrofusion.

3.3 INSTALLATION - PIPE

A. Remove all water from excavation.

B. Install pipe in accordance with the manufacturer's recommen-dations.

C. Place and compact the pipe bedding material and form material to allow for bells and uniformly support pipe barrel.

D. Utilize proper tools for cutting and beveling pipe ends and joining pipe using manufacturer's recommended tools designed for this task.

E. Clean and prepare pipe joint using manufacturer's recommended gasket and lubricant.

F. Utilize proper tools to complete joint, assuring that plain end is inserted precisely to the assembly stripe applied by the manufacturer or added in the field at the location recommended by the manufacturer.

SECTION 02512 - 7 SITE WATER DISTRIBUTION

G. Assure that no dirt or other foreign material is allowed in pipeline. Plug all pipe ends with watertight plugs when leaving the pipe unattended.

H. Place bedding material above pipe as shown on the drawings.

Assure that no stone or rock larger than one inch in diameter is in the zone from four (4) inches below the pipe to six (6) inches above the pipe.

I. Compact each lift by shovel slicing, tamping and walking in.

J. Install pipe fittings so a constant alignment and level grade is achieved through all the pipe and fittings.

K. Install pipelines to the alignments and grades shown on the

Drawings.

L. Maximum allowable pipe gap is ½ inch maximum at coupling and compression fittings.

M. Expose and verify existing pipe prior to making corrections.

N. Properly align pipe to interface with existing pipelines so no unusual stresses are applied to the pipe. Install pipe to allow for expansion and contraction without stressing pipe or joints.

O. Anchors and supports: Install anchors and supports as shown on the Drawings.

P. Maintain separation of water main from any sources of contamination discovered in accordance with Idaho Department of Environmental Quality Regulations.

Q. Install access fittings to permit disinfection of water system performed under Section 02516.

R. Install locating wire continuously over top of pipe, looping up at every valve box, vault or related structure. Repair all cuts and splices in accordance with the manufacturer's recommendations.

Assure continuity of all locating wire before submitting final payment. Payment will not be made for pipe where the locating wire does not have electrical continuity.

SECTION 02512 - 8 SITE WATER DISTRIBUTION

3.4 INSTALLATION - VALVES

A. Set valves on solid bearing. Refer to the details on the drawings.

B. Center and plumb valve box over valve. Set box cover flush with finished grade.

C. Install box such that shock cannot be transferred to valve body.

3.5 INSTALLATION - THRUST BLOCKS

A. Place thrust blocks at each fitting and gate valve installed underground.

B. Provide bearing area against undisturbed earth in accordance with the detail on the drawings.

C. Place thrust blocks such that fitting can be removed at a later date without damage to the pipeline.

D. Place 6 mil Visqueen plastic between thrust block and fitting.

E. Place concrete so no concrete touches the nuts and bolts of the fitting or valve, and the nuts and bolts can be removed and replaced without removing any concrete.

3.6 PRESSURE TESTING OF WATERLINES:

A. Perform testing in the presence of the Contracting Officer.

B. Assure that trench is properly backfilled and thrust blocking has cured to a degree that will allow pressure testing without damage, or pipe/fitting movement.

C. Slowly fill pipe, including new service lines, with water to expel all air. Fill pipe to a pressure equal to 150 psi. Do not exceed pressure ratings of any fittings or pipe. Coordinate testing pressures with the Contracting Officer.

D. Verify that, in a two-hour test, the pipe does not leak in excess of the allowable leakage as defined by the following formula in which L is the allowable leakage in gallons per hour.

SECTION 02512 - 9 SITE WATER DISTRIBUTION

L = S D P

133,200

Where:

S = Length of Pipe (feet)

D = Pipe Diameter (inches)

P = Pressure (psi)

E. Leakage is defined as the quantity of water supplied into the pipe necessary to maintain the original pressure that the pipe was tested at.

F. Contractor shall supply all the pumping and testing apparatus for completing the pressure testing. The equipment shall include a graduated container or metering system to accurately measure the leakage.

3.7 DISINFECTION AND FLUSHING

A. Flush and disinfect water system in accordance with Section

02516.

3.8 CONNECTIONS TO EXISTING MAINS

A. Expose existing main and verify line size and type of pipe.

B. Provide the necessary fittings that comply with these

Specifications and connect to the existing main.

C. Maximum allowable pipe gap at compression couples is one-half

(½) inch maximum.

3.9 SURFACE REPAIR

A. Grade and rake surface to a smooth gentle slope matching existing grades.

B. Remove excess material from area due to construction and stockpile.

SECTION 02512 - 10 SITE WATER DISTRIBUTION

C. Restore surface to like condition, (grass, topsoil, asphalt, gravel, concrete, etc.) using materials and construction practices as outlined on the drawings and included in the specifications and contract documents.

3.10 FIELD QUALITY CONTROL

A. Field testing will be performed under provisions of Section 01400.

B. Compaction testing will be performed in accordance with ASTM

D-2922.

C. If tests indicate Work does not meet specified requirements, remove Work, replace and retest at no additional cost.

SECTION 02516 - 1

DISINFECTION OF

WATER DISTRIBUTION SYSTEMS

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SECTION 02516

DISINFECTION OF WATER DISTRIBUTION SYSTEMS

A. Disinfection of potable water distribution system

B. Testing and reporting results

C. Disposal of chlorinated water from test

A. Section 02512 – Site Water Distribution

A. ANSI/AWWA B300 - Standard for Hypochlorites

B. ANSI/AWWA B301 - Standard for Liquid Chlorine

C. ANSI/AWWA C651 - Standards for Disinfecting Water Mains

A. Test Reports: Indicate results comparative to specified requirements.

B. Certificate: Certify that cleanliness of water distribution system meets or exceeds specified requirements.

A. Disinfection report; record:

1. Type and form of disinfectant used.

2. Date and time of disinfectant injection start and time of completion.

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WATER DISTRIBUTION SYSTEMS

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3. Test locations.

4. Initial and 24 hour disinfectant residuals (quantity in treated water) in ppm for each outlet tested.

5. Date and time of flushing start and completion.

6. Disinfectant residual after flushing in ppm for each outlet tested.

7. Quantity of water used for disinfection.

B. Bacteriological report; record:

1. Date issued, project name, and testing laboratory name, address, and telephone number.

2. Time and date of water sample collection.

3. Name of person collecting samples.

4. Test locations.

5. Initial and 24 hour disinfectant residuals in ppm for each outlet tested.

6. Coliform bacteria test results for each outlet tested.

7. Bacteriologist's signature and authority.

1.6 QUALITY ASSURANCE

A. Disinfect the water mains in accordance with ANSI/AWWA C651.

1.7 REGULATORY REQUIREMENTS

A. Conform to applicable portions of ANSI/AWWA C651, in accordance with Idaho Department of Environmental Quality regulations.

2.1 DISINFECTION CHEMICALS

A. Chemicals: ANSI/AWWA B300, Hypochlorite, and ANSI/AWWA B301, Liquid Chlorine.

SECTION 02516 - 3

WATER DISTRIBUTION SYSTEMS

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A. Verify that all systems have been cleaned, reviewed, and pressure tested.

B. Perform scheduling and disinfection activity with start-up, testing, adjusting and balancing, demonstration procedures, including coordination with related systems.

3.2 EXECUTION – WATER MAINS

A. Provide and attach required equipment to perform the work of this

Section.

B. Introduce treatment into the system.

C. Execute disinfection of water mains in accordance with ANSI/AWWA

C651.

D. In accordance with Idaho Department of Environmental Quality regulations, chlorinated water used for disinfection shall not be discharged directly to State Waters, which includes both surface and groundwater. Water used for disinfection purposes may be dispersed over land areas such that it does not directly enter State Waters.

3.3 QUALITY CONTROL

A. Provide acceptance testing of disinfected facilities as required. Two or more successive sets of samples, taken at 24-hour intervals, must indicate the absence of coliform organisms before the water are placed in operation.

SECTION 02924 - 1 GRASS ESTABLISHMENT

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SECTION 02924

GRASS ESTABLISHMENT

A. Preparing seed beds

B. Placing and providing seed

2.1 MATERIALS

A. Grass Establishment

1. Dryland Seed Mix:

Common Name Percent By

Weight Minimum Percent

Pure Minimum Percent

Germination

Annual Rye Grass 20.0% 90% 85%

Idaho Fescue 25.0% 90% 85%

Mountain Brome 35.0% 90% 85%

Bluebunch Wheatgrass 20.0% 90% 85%

A. Verify that the weather conditions are suitable for successful seeding.

B. Verify that the ground is not excessively wet or frozen and that soil is tillable.

SECTION 02924 - 2 GRASS ESTABLISHMENT

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3.2 PREPARATION OF SOIL

A. Areas to be seeded which have been damaged due to erosion shall be restored prior to seeding.

B. Areas to be seeded shall be scarified a minimum of one-half (½) inch in depth to provide a reasonably firm but friable seed bed.

3.3 SEED APPLICATION

A. Apply dryland seed mix according to the amounts specified at a rate of 35 pounds of pure live seed per acre to finished slopes and ditches between June 15 and October 30. Do not seed during windy weather or otherwise untenable weather.

B. Lightly compact the seed bed within 24 hours after seeding.

3.4 FIELD QUALITY CONTROL

A. Field review and testing will be performed under the provisions of

Section 01400.

3.5 PROTECTION

A. The Contractor shall be responsible for protecting and caring for seeded and planted areas until project completion.

SECTION 03300 - 1 CAST-IN-PLACE CONCRETE

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SECTION 03300

CAST-IN-PLACE REINFORCED CONCRETE

A. Formwork, accessories, and form stripping for cast-in place concrete

B. Reinforcing steel bars and accessories for cast in place concrete

C. Concrete grout, joint sealant and bonding adhesives

D. Cast-in-place concrete

A. Section 01300 – Submittals

B. Section 01400 - Quality Control

1.3 REFRENCES

A. APA/EWA PS 1 - Voluntary Product Standard for Construction and

Industrial Plywood

B. WCLIB - Standard Grading Rules for West Coast Lumber

C. AWS D12.1 - Welding Reinforcement Steel, Metal Inserts and Connections in Reinforced Concrete Construction

D. American Concrete Institute:

1. ACI 117 - Standard Specifications for Tolerances for Concrete

Construction and Materials.

2. ACI 304 - Recommended Practice for Measuring, Mixing, Transporting and Placing Concrete.

3. ACI 305R - Hot Weather Concreting.

4. ACI 306R - Cold Weather Concreting.

5. ACI 308 - Standard Practice for Curing Concrete.

SECTION 03300 - 2 CAST-IN-PLACE CONCRETE

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