CCWaterSystem_Specs.pdf

5/17/2016 01100 Summary of Work - 1 of 4

GRSM 149262

SECTION 01100

SUMMARY OF WORK

PART 1 - GENERAL

1.01 SUMMARY

A. The work to be performed under this contract shall consist of furnishing the following to perform the work outlined in these specifications and as indicated by Project Drawings (133/60131):

1. tools

2. equipment

3. materials

4. labor

5. supplies

6. manufactured articles

7. all transportation to complete the work

8. temporary facilities

B. Location of Work: Cades Cove Campground, Great Smoky Mountains

National Park, Townsend, TN.

C. Incidental Items: All work, materials, and services not expressly listed as being provided by others or not expressly called for in the contract but are necessary for the completion of the work in good faith, shall be furnished, installed, and performed by the contractor.

1.02 BACKGROUND

A. The Cades Cover Campground and Picnic Arear are open year round with most of the campground sites and store closed after the Thanksgiving holiday. The water system as is was installed in the late 1960’s with upgrades in the 1980’s and is in need of updating and replacement.

1.03 SUMMARY OF WORK TO BE DONE BY CONTRACTOR

A. Water System Improvements

1. Demolish and construct a new 2 room pumphouse.

2. Install new underground electric service with meter at pumphouse.

Conduit (if it exists) may be reused, new service wire is required.

3. Rebuild valve vault with flanged Ductile Iron and replace PRV.

05/17/2016 01100 Summary of Work - 2 of 4

PRV equal to 4” WATTS LFF127W Lead Free pressure reducer

Equalizer line and bypass line shall be installed in accordance with manufactures instructions and contain all equipment required by manufacturer (needle valve, etc.) as well as a liquid filled pressure gauge in the location shown in picture.

4. Install new watermains and reestablish service connections.

5. Multiple Bid Options to extend watermain exist and will be awarded

(Line B or C) in a continuous order (i.e. construction will continue along a water main, not hop sections)

6. Install new service line and pumpline to pumphouse.

1.04 SPECIAL CONSTRUCTION REQUIREMENTS

A. The Great Smoky Mountains National Park is a visitor friendly environment.

1. Provide barriers to protect the public and control visitor access.

2. Coordinate with Park when large vehicles will enter the Park.

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1.05 SAFETY

A. All aspects of jobsite safety are the responsibility of the contractor.

Sub-contractors, regardless of being an excluded party (i.e. owner of company), are required to follow all Federal, State, and Local safety laws. This includes, but is not limited to;

1. Fall Protection

2. Trench Safety

3. Hard hats

4. Eye Protection

1.06 DISTURBED AREAS

A. All areas that are disturbed by the contractor are to be returned to their original condition or better. This includes, but is not limited to;

1. Sidewalks

2. Roadways

3. Grass

4. Vegetation

END OF SECTION

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05/17/2016 01270 Price & Payment.doc- 1 of 6

SECTION 01270

PRICE AND PAYMENT

A. Work covered by this section includes method of measurement and basis of payment for all divisions included.

B. Payment for the various items of the Schedules, as further specified herein, shall include all compensation to be received by the contractor for furnishing all tools, equipment, materials, labor, supplies, manufactured articles, transportation, and temporary facilities required to complete the work in accordance with contract documents including incidentals.

C. Respective prices and payment shall constitute full compensation for all work completed including incidentals.

D. All items not expressly listed as being provided by others that are necessary for the completion of work shall be furnished and installed by the contractor.

E. No payment shall be made for mobilization and demobilization of equipment.

1.02 ESTIMATED QUANTITIES

A. All quantities stipulated in the schedule or other contract documents are approximate and are to be used: (1) as a basis for estimating the probable cost of the work and (2) for the purpose of comparing the bids submitted.

B. The contractor shall be paid for actual quantities installed based on the quantities measured in the field. The actual amounts of work completed and materials furnished may differ from estimated quantities. The contractor shall make no claim for damages, anticipated profits, or otherwise, on account of differences between the estimated amounts and the actual amount of work performed and materials furnished.

1.03 SURVEY AND MEASUREMENTS

A. All quantity measurements shall be the responsibility of the contractor and will be verified by the COR.

B. All measurements and subsequent payments will be based on completed and accepted work performed in strict accordance with the drawings, specifications, and other contract documents.

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PART 2 – SCHEDULE ITEMS

2.01 GENERAL

A. Payment shall be full compensation to complete the work items in good faith, including incidental work.

B. In addition to the those things listed under each item, the unit price shall be full compensation for all of the following:

1. General requirements in Division 01, but not limited to the following.

a. Submittals

b. Record drawings

c. Schedules and Plans

2. Specific requirements in Division 02, including but not limited to the following (unless otherwise expressly defined as a line item in the bid schedule):

a. Erosion control

b. Clearing and grubbing

c. Removal and replacement of obstructions

d. Associated trenching, excavation and backfill including the removal of any nuisance water, bedding, haunching, and compaction.

e. Disposal of any excess material

f. Traffic control

g. Rough grading

h. Finish work, where called for, including finish grading, topsoiling, and landscaping

2.02 ITEMS

A. Schedule A: Water System Improvements

1. Demolition of Existing Pumphouse

a. Measurement: By the Lump Sum for the required work to remove the existing pumphouse at the Cades Cove Campground.

b. Basis of Payment: Includes all labor, materials, equipment, tools and all other appurtenances required to complete the removal of the pumphouse, including but not limited to the footers, slab and equipment.

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2. Temporary Pumphouse

a. Measurement: By the Lump Sum for the required work to construct a temporary pumphouse, with a similar treatment and piping plan as the new pumphouse, and removal of the temporary structure when new pumphouse completed.

all other appurtenances required to complete the construction, piping, electrical, disinfection and removal of temporary pumphouse.

3. Foundation and Flooring pumphouse

a. Measurement: By the Lump Sum for the installation of the foundation and flooring.

all other appurtenances to complete the work as specified, including but not limited to, forming of concrete, rebar placement, pouring of concrete, laying of CMU’s, foundation drain and structural backfill.

4. Masonry pumphouse

a. Measurement: By the Lump Sum for the installation of the masonry.

but not limited to, laying of CMU’s, placement of reinforcement, filling cells with grout/ insulation, tooling of joints, and bond beam.

5. Framing pumphouse

a. Measurement: By the Lump Sum for the Framing of the pumphouse.

but not limited to, rafters, joists, collar ties, hurricane strapping, framing, access hatch, sheathing, ceiling and attic access.

6. Roofing pumphouse

a. Measurement: By the Lump Sum for the installation of the roof on the pumphouse.

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b. Basis of Payment: Includes all labor, materials, equipment, tools and all other appurtenances to complete the work as specified, including but not limited to, felt paper, ice guard, drip edging, flashing, shingles and roofing anchors.

7. Exterior Finishes pumphouse

a. Measurement: By the Lump Sum for the installation of the Finishes on the pumphouse.

but not limited to, siding, fascia, soffits, gable vents, trim, and insulation.

8. Interior Plumbing and Fixtures pumphouse

a. Measurement: By the Lump Sum for the installation of plumbing and fixtures in the pumphouse.

but not limited to, valves, gauges, meter, piping, sink and faucet.

9. Electrical pumphouse

a. Measurement: By the Lump Sum for the installation of the Electrical service and wiring of the pumphouse.

but not limited to, permits, temporary set-ups, meter box, transfer switch, pump controls, conduits, wiring, lighting and boxes.

10. Painting pumphouse

a. Measurement: By the Lump Sum for the painting of the pumphouse exterior, interior and components.

but not limited to, paint the exterior, interior and process piping.

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11. Temporary Water Main

a. Measurement: By Lump Sum for installation of the temporary watermain while main line is under construction and removal when project is completed.

all other appurtenances to install and operate the temporary watermain.

12. 6-Inch watermain, Ductile Iron

a. Measurement: Linear feet of pipe installed measured horizontally over the centerline of the pipe.

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection, pressure testing, warning tape, tracing wire, and all other appurtenances required to complete the work as specified.

13. 6-Inch Gate Valve with Box

a. Measurement: By Each gate valve and box installed.

b. Basis of Payment: Includes gate valve and box, concrete support block, and all other appurtenances required to complete the work as specified

14. 2-Inch Curb Stop with Box

a. Measurement: By Each installed curb stop installed.

b. Basis of Payment: Includes all labor, materials tools, curb stop, box, specified.

15. 2-Inch Corp Stop with Saddle

c. Measurement: By Each installed corporation stop installed.

d. Basis of Payment: Includes saddle, corporation stop, main tapping, and all other appurtenances required to complete the work as

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16. 2" HDPE DR 11, IPS water main

a. Measurement: Linear feet of pipe installed measured horizontally over the centerline of the pipe.

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection, pressure testing, warning tape, tracing wire, and all other appurtenances required to complete the work as specified.

17. Connection to Existing System

a. Measurement: By the Lump Sum for the required work to make the connections to the existing water main.

b. Basis of Payment: Includes all labor, materials, equipment, tools and all other appurtenances required to complete the connections to the existing water main.

c. NOTE: Only one Connection to Existing System will be paid for the

Project regardless of how many BID OPTIONS are awarded.

18. PRV Rebuild:

a. Measurement: By the Lump Sum for the required work to replumb the 4” PRV vault in flanged DI and replace the 4”PRV.

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection, pressure testing, and all other appurtenances required to complete the work as specified

19. 4-Inch Gate Valve with Box

a. Measurement: By Each gate valve and box installed.

b. Basis of Payment: Includes gate valve and box, concrete support specified

B. Schedule A – BID OPTIONS

1. Bid Option definitions are the same as the equivalent product defined above.

PART 3 – EXECUTION (N/A)

05/17/2012 01310 Project Management and Coordination.doc Page 1 of 2

SECTION 01310

PROJECT MANAGEMENT AND COORDINATION

A. Section includes the preconstruction conference, construction scheduling and coordination requirements.

1.02 PRE-CONSTRUCTION CONFERENCE

A. Required after award of contract and prior to start of construction.

B. Representatives from the following shall attend.

1. Prime Contractor

2. Subcontractors

3. Owner

C. Contracting Officer/ COTR will arrange a date that is mutually acceptable to all parties planning to attend.

D. Contractor shall notify subcontractors of time and date of meeting.

1.03 CONSTRUCTION SCHEDULE

A. Present project engineer with a written preliminary construction schedule (Critical Path Method) containing start and completion dates of the major items at the preconstruction meeting.

B. Notify the COTR three full working days in advance of any construction.

C. Communicate major changes to the schedule to the COTR in writing.

1.04 COORDINATION WITH OTHER CONTRACTORS/UTILITIES

A. Coordinate work with other contractors (i.e. roads, building, etc) in the area as necessary to complete the work specified.

B. Coordinate work with local utilities (i.e. water and sewer, power, telephone).

Note: all buried utilities may not be shown on the plans. Contractor’s responsibility for having utilities marked prior to construction.

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05/17/2012 01330 Submittal Procedure - 1 of 2

SECTION 01330

SUBMITTAL PROCEDURE

A. This section includes information on submittal procedures. Materials requiring submittal are listed in the appropriate specification section.

1.02 SUBMITTAL PROCEDURES

A. Submit 4 copies of submittals to the COR, unless requested otherwise.

B. Identify each cut sheet or shop drawing with the following information:

1. Contract number.

2. Supplier.

3. Specification section to which the submittal pertains.

C. Submit the following information, as applicable:

1. Manufacturer’s cut sheets indicating compliance with references (e.g.

applicable ASTM, AWWA standards).

2. Laboratory results, as applicable.

3. Dimensional drawings or shop drawings, as applicable.

4. Other information necessary for the Project Engineer to determine compliance with the specifications.

D. Variations from the contract documents or products specified:

1. Bring any and all submitted variations to the attention of the Contracting Officer.

2. Variations not brought to the Contracting Officer‘s attention, in writing, and that conflict with the Contract Documents, do not relieve the contractor from the requirements of the contract documents.

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

1. No additional contract time will be given for resubmittals required as a result of the contractor submitting incomplete or rejected submittals.

F. Distribute copies of reviewed submittals to concerned parties, (i.e. suppliers, sub-contractors).

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G. Submit written communication of any inability to comply with the Project Engineer’s comments.

H. Submit information to the Contracting Officer at least three weeks in advance of the work to be performed.

I. Approval of submittals must be provided by the Contracting Officer prior to installation of materials.

1.03 DEFINITIONS

A. Approved: Deemed to be acceptable for use in accomplishing the requirements of the plans and specifications, but does not extend to the means, methods, or procedures of construction (except where specific means, methods, or procedures are specifically required by the contract documents) and does not imply approval of the system or construction in which the submitted item is a part.

B. Conditionally Approved: Deemed to be acceptable for use in accomplishing the requirements of the plans and specifications, if the conditions noted in the submittal approval letter are met. The approval does not extend to the means, methods, or procedures of construction (except where specific means, methods, or procedures are specifically required by the contract documents) and does not imply approval of the system or construction in which the submitted item is a part.

C. Rejected: Deemed unacceptable for the use for which it was submitted.

D. Incomplete Submittal: Information is insufficient to ascertain acceptability.

Neither approval nor rejection is implied.

05/17/2016 01430 Quality Assurance.doc - 1 of 2

SECTION 01430

QUALITY ASSURANCE

A. This section includes prerequisites and procedures to assure the quality of construction.

1.02 CONTRACTORS QUALIFICATIONS

A. Work shall be performed by a registered contractor in the state where the project is proposed and for the type of construction and magnitude of construction being performed.

1.03 INSTALLER QUALIFICATIONS

A. Work shall be performed under the direction of personnel licensed in the state where the project is proposed and where licensing of the trade is regulated by the state including, but not limited to, plumbing, well drilling, septic system installation, HVAC, and electrical work.

B. Where no license is required, work shall be performed under the direction of personnel certified by the manufacturer of the product where applicable.

1.04 CONTROL OF INSTALLATION

A. Review materials for acceptability when delivered to the site.

B. Store and handle materials to prevent damage.

C. Review materials, services, and workmanship to ensure that work is performed in accordance with the specifications.

D. Comply fully with manufacturers’ instructions.

E. Should manufacturers’ instructions conflict with contract documents, request clarification from Project Engineer before proceeding.

F. Correct defective work to the satisfaction of the Contracting Officer.

1.05 SAMPLES

A. When requested by the Contracting Officer, supply samples of materials proposed for use.

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1.06 START-UP

A. Prior to start-up, ensure that all equipment is ready for its use, as designed.

B. Ensure that all power sources are balanced and ready for use.

C. Provide the services of manufacturers’ field representative for start-up, testing, and adjustment of all major equipment items.

D. Provide reports from the manufacturer, including their observations and documentation of workmanship to the Contracting Officer within 30 days of manufacturer’s visit, unless a sooner response is required by the applicable specification section.

E. Work will not be considered complete until all systems and subsystems have been tested for proper functionality and proper adjustment.

1.07 WARRANTY

A. Provide a minimum one (1) year warranty for all materials and labor, covering defects in the materials or deficiencies resulting from contractor installation.

B. Provide additional warranties as required by specific sections.

05/17/2016 01560 Barriers.doc - 1 of 4

SECTION 01560

BARRIERS

PART 1 GENERAL

A. The work of this section consists of furnishing, installing, and maintaining barriers to protect existing facilities and the public from construction operations

1.02 SUBMITTAL

A. Barrier Plan

PART 2 PRODUCTS

2.01 GENERAL

A. Material may be new or used, but shall be suitable for intended purpose. Fences and barriers shall be structurally adequate and neat in appearance.

2.02 FENCING

A. Security Fence: Use around staging area and stock pile area. Chain link, 2-inch mesh, minimum height, 6 feet. Posts shall have portable bases and shall not be installed in the ground.

B. Safety Barrier Fence: Use around all other improvement areas unless otherwise directed by the Contracting Officer. Orange plastic fence, minimum height, 4 feet.

2.03 BARRICADES AND SIGNS

A. Manual on Uniform Traffic Control Devices (MUTCD), Part VI, 2003 edition.

2.04 LUMBER

A. Free of nails, large knot holes and splinters.

2.05 BARRIER TAPE

A. Banner Guard, imprinted with "DANGER", manufactured by Reef Industries, Inc., Houston, Texas, or approved equal.

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PART 3 EXECUTION

3.01 PROTECTION OF PUBLIC

A. Fence, barricade, or otherwise block off the immediate work area to prevent unauthorized entry.

B. Protect pedestrian traffic by barricades or fences.

C. When pedestrian traffic is detoured around construction site, provide temporary walkways with protection as required at ends. For walkways, use lumber running parallel to direction of traffic movement and provide ramps at changes of elevation.

D. Cover pipes, hoses, and power lines crossing sidewalks and walkways with troughs using beveled edge boards.

E. Erect and maintain sufficient detour signs at road closures and along detour routes.

3.02 SECURITY FENCES

A. Before starting work, install all security fence and barriers.

B. Locate vehicular gates to avoid interference with traffic on public thoroughfares.

C. Locate pedestrian entrance gates as required to provide controlled personnel entry.

D. Chain link fence may be installed (Contractors option) in the following locations:

1. Use around staging area and stock pile area.

E. 4’ Safety Barrier fence shall be installed in the following locations:

1. Areas of the work site as contractor deems necessary for safety and protection of work area.

3.03 BARRIER TAPE

A. Install where directed by Contracting Officer. Keep a minimum of two rolls on site at all times.

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3.04 REMOVAL

A. Completely remove barriers no longer needed when approved by Contracting Officer.

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05/17/2016 01600 Material and Equipment.docx Page 1 of 2

SECTION 01600

MATERIAL AND EQUIPMENT

PART 1 GENERAL

A. The work of this section consists of the general procedures for handling, storing, and protecting material and equipment.

1.02 TRANSPORTATION AND HANDLING

A. Arrange deliveries of materials in accordance with construction schedules;

coordinate to avoid conflict with work and conditions at the site. Deliver materials in undamaged condition, in manufacturer's original containers or packaging, with identifying labels intact and legible. Contractor is encouraged to obtain materials in biodegradable or recyclable/reusable packaging which uses the minimum amount of packaging possible.

B. Newfound Gap Road, Route 441, is closed to commercial truck traffic. All deliveries in commercial vehicles shall take the shortest route through the Park to their destination. (i.e. Deliveries to Sugarlands area will enter the Park through the Gatlinburg entrance, Deliveries to Cades Cove will enter the Park through the Townsend entrance, Deliveries to Smokemont will enter the Park through the Cherokee entrance, etc.). Contractor shall ensure that companies making deliveries are aware of the restrictions.

1.03 STORAGE AND PROTECTION

A. Store materials in accordance with manufacturer's instructions, with seals and labels accessible for inspection.

1. Materials stored on-site are the responsibility of the contractor. Items lost, stolen or damaged are the contractors responsibility until the items are installed AND accepted by the Contracting Officer. A material payment does not constitute acceptance of materials.

B. Exterior Storage:

1. Store products subject to damage by the elements in weather tight enclosures.

2. Store fabricated products above the ground, on blocking or skids; prevent soiling or staining. Cover products subject to damage or deterioration with impervious sheet coverings; provide adequate ventilation to avoid condensation.

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C. Protection after Installation:

1. Provide adequate coverings as necessary to protect installed materials from damage resulting from natural elements, traffic, and subsequent

05/17/2016 01770 Project Closeout.doc Page 1 of 2

SECTION 01770

PROJECT CLOSEOUT

A. This section describes the requirements for final cleanup, closeout submittals and final inspection.

1.02 RELATED WORK

A. Section 01430 – Quality Assurance

1.03 DELIVERY

A. Provide all closeout submittals meeting these requirements and any specific requirements of each section.

B. All closeout submittals must be received in a correct and complete manner before final payment can be made.

1.04 DEFINITIONS

A. Record Drawing: A drawing showing the actual installation of facilities, showing changes from the plans, and showing detail enough that future persons can readily locate all objects.

B. Ties: Measurements from permanent easily located objects to an installed object.

PART 2 – PRODUCTS

2.01 CLEANING MATERIALS

A. As recommended by the manufacturer of surface to be cleaned.

PART 3 - EXECUTION

3.01 CLEANING

A. Before scheduling the final inspection, remove all tools, equipment, surplus materials, and rubbish. Restore or refinish surfaces that are damaged due to work of this contract to original condition. Remove grease, dirt, stains, foreign materials, and labels from finished surfaces.

Thoroughly clean building interiors. Pick up all construction debris from

05/17/2016 01770 Project Closeout.doc Page 2 of 2 the site. At time of final inspection, project shall be thoroughly clean and ready for use.

3.02 WARRANTIES

A. Submit all warranty information regarding the materials installed.

B. Minimum warranty information is listed in Section 01430. Specific warranties may be required for each Section of specifications.

3.03 OPERATION AND MAINTENANCE INFORMATION

A. Submit all operation and maintenance information as included in the packaging from the manufacturer regarding the materials installed.

05/17/2016 02050 Demolition - 1 of 2

SECTION 02050

DEMOLITION

A. This section includes the demolition and disposal of existing structures and pipelines.

A. Section 01119 – Revisions to Standard Specifications B. Section 02315 – Excavation, Trenching and Backfill C. Section 02370 – Temporary Erosion and Sediment Control D. Section 02920 – Topsoiling, Seeding, Fertilizing and Mulching

PART 2 – PRODUCTS (Not applicable)

3.01 GENERAL PROCEDURES

A. Conduct demolition work in accordance with appropriate Federal, State and Local requirements.

B. All disposed of materials must have proper receipts, documentation, etc.

showing it was disposed of properly.

3.02 EXISTING PUMPHOUSE

A. Remove entire structure including foundation being careful not to damage well.

1. Concrete footers, buried approximately 3.5 feet deep, 20 inches wide and 8 inches thick.

2. Concrete foundation walls, approximately 3 feet tall and 12 inches thick

3. Concrete slab, approximately 6 inches thick x 14 feet wide x 9 feet long

4. Block walls

5. Concrete roof, approximately 4 inches thick

6. Filter unit, steel approximately 54inch diameter

7. Misc. Electrical and plumbing

3.03 EXISTING VALVE VAULT

A. Remove entire structure to a depth below the lowest existing piping.

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1. Concrete walls approximately 10 inches thick, 13.5 feet tall and 6 feet wide.

2. Flush cut rebar against shared tank wall

3. Coat cut ends of rebar and tank with an epoxy based pain.

3.04 EXISTING PIPELINES

A. Remove entire structure to a depth below the lowest existing piping.

1. Any existing pipeline that is exposed and abandoned shall be removed from the site and not backfilled.

05/17/2016 02310 Grading - 1 of 2

SECTION 02310

GRADING

A. This section includes rough and finished site grading of all areas disturbed during construction.

C. Section 02370 – Temporary Erosion and Sediment Control D. Section 02920 – Topsoiling, Seeding, Fertilizing and Mulching

PART 2 – PRODUCTS (Not applicable)

3.01 ROUGH GRADING

A. Grade the area in the vicinity of the excavation to prevent surface water from flowing into the excavation.

B. Maintain existing drainage.

3.02 FINISH GRADING

A. Grade site to true grades as specified on the plans after all structures and piping have been installed.

B. Grade sites for effective drainage away from structures.

C. Dress and trim all slopes.

D. Round off the tops of slopes and toes of slopes.

E. Place topsoil on all disturbed areas and reseed or sod as soon as possible in accordance with Section 02920 – Topsoiling, Seeding, Fertilizing and Mulching.

05/17/2016 02310 Grading - 2 of 2

05/17/2016 02315 Excavation, Trenching & Backfill - 1 of 8

SECTION 02315

EXCAVATION, TRENCHING AND BACKFILL

A. This section includes excavation, trenching and backfill necessary for the construction of the facilities as indicated on the plans including, but not limited to: water mains and service lines, sewer mains and service lines, concrete manholes, septic tanks, and other structures.

1.02 RELATED WORK (as applicable)

B. Section 01720 – Staking and Construction Surveying C. Section 01780 – Closeout Submittals D. Section 02310 – Grading E. Section 02316 – Rock Excavation F. Section 02370 – Temporary Erosion And Sediment Control G. Section 02510 – Water Distribution H. Section 02511 – Water Service Lines I. Section 02530 – Sanitary Sewer J. Section 02531 – Sewer Service Lines K. Section 02532 – Sanitary Sewer Manholes L. Section 02538 – Sewage Force Main M. Section 02705 – Road Restoration N. Section 02920 – Topsoiling, Seeding, Fertilization and Mulching

1.03 REFERENCES

A. Manual on Uniform Traffic Control Devices.

B. ASTM D698 – Test Methods for Moisture Density Relations of Soils and Soil-

Aggregate Mixtures Using 5.5 lb. Rammer and 12-in. Drop [Standard Proctor Test].

C. ASTM D2321 – Underground installation of Flexible Thermoplastic Sewer

Pipe.

D. ASTM D2487 – Classification of Soils for Engineering Purposes [Unified Soil

Classification System].

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1.05 DEFINITIONS

A. Bedding, Haunching and Initial Backfill zones as defined herein and on the standard thermoplastic pipe trench detailed drawing below.

B. Soil Materials as summarized in the table below and defined in ASTM D2321 and ASTM D2487

Description and Comparison of Soil Material Classifications

ASTM D2321 ASTM D2487

Class Type

USCS

Group Symbol Description

IA Manufactured aggregates: ¼ to 1 ½ inch open graded, clean.

* None Closest to “Poorly graded gravel (GP)”

IB Manufactured aggregates: ¼ to 1 ½ inch dense graded, clean.

* None Closest to “Poorly graded gravel with sand (GP)”

II

Coarse sands and gravels with maximum particle size of

1 ½ inch, clean.

GW Well-graded gravels and gravel-sand mixtures; little or no fines.

GP Poorly graded gravels and gravel sand mixtures;

little or no fines.

SW Well-graded sands and gravelly sands; little or no fines.

SP Poorly graded sands and gravelly sands; little or no fines

Coarse sands and gravels with maximum particle size of 1 ½ inch, borderline clean.

GW-GC

SP-SM

Etc.

Sands and gravels which are borderline between clean and with fines

III

Fine sand and clayey gravels.

GM Silty gravels, gravel-sand-silt mixtures.

GC Clayey gravels, gravel-sand-clay mixtures SM Silty sands, sand-silt mixtures SC Clayey sands, sand-clay mixtures

IV Fine grained soils (inorganic) ML Inorganic silts and very fine sands, rock flour, silty or clayey fine sands, silts with slight plasticity.

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CL Inorganic clays of low to medium plasticity, gravely clays, sandy clays, silty clays, lean clays.

MH Inorganic silts, micaceous or diatomaceous fine sandy or silty soils, elastic silts.

CH Inorganic clays of high plasticity, fat clays.

V

Organic soils

OL Organic silts and organic silty clays of low plasticity.

OH Organic clays of medium to high plasticity, organic silts.

PT Peat and other high organic soils.

* USCS system is limited to naturally occurring soils. Manufactured aggregates not covered.

2.01 BEDDING, HAUNCHING AND INITIAL BACKFILL MATERIAL

A. Class I, Class II or Class III, utilized in accordance with restrictions described in Part 3 - Execution.

3.01 GENERAL

A. Trenching and excavation work shall be done in accordance with proper emphasis on safety as determined by the contractor to conform to recommended safety standards such as OSHA 1910 and 1926.

B. Obtain all permits from appropriate road agency for construction within road right of way.

C. Repair damage resulting from settlement, slides, cave-ins, water pressure, and other causes.

D. Provide adequate signs, barricades, fences and amber lights and take all necessary precautions to protect the work and the safety of the public in all construction areas.

1. Placement of construction signs and barricades shall conform to the

“Manual on Uniform Traffic Control Devices.”

2. Protect barricades and obstructions at night by amber signal lights that burn from sunset to sunrise. Barricades shall also be of substantial construction, painted white or with reflective paint to increase their visibility at night.

3. Perform work without obstruction to traffic or inconvenience to the general public and the residents in the vicinity of the work.

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E. Road Crossing

1. Comply with all construction and material requirements of roadway authorities having jurisdiction.

2. Maintain one lane of traffic open at all times.

3. Refer to Section 02705 – Road Restoration for backfill and restoration requirements.

3.03 EXCAVATION

A. Remove trees and stumps from excavation and site.

B. Remove and stockpile existing topsoil.

C. Install facilities as staked unless otherwise approved by Project Engineer.

D. Maintain surface drainage away from trenching or excavation.

E. Remove unsuitable foundation materials from excavation as shown on the plans or as authorized by the Project Engineer.

F. Maintain a minimum 1-foot clearance between outer surface of structure being installed and wall of excavation.

G. Rock encountered shall be classified, excavated and measured in accordance with Section 02316 – Rock Excavation

3.04 TRENCHING

A. Bottom width: No less than 12 inches or more than 24 inches wider than the outside diameter of the pipe.

B. Depth: Provide minimum cover as specified, or depths shown on plans.

3.05 BEDDING

A. If existing soil cannot provide uniform, stable bearing support, over-excavate 6 inches below bottom of pipe or structure and provide bedding material.

B. Utilize Class I, II or III materials as appropriate for bedding as listed in Table below.

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Use of Soils and Aggregate for Bedding Class IA Class IB Class II Class III General Excellent pipe support. Excellent drainage.

Excellent pipe support. Good drainage. Minimizes migration of adjacent material.

Good pipe support. Fair drainage.

Reasonable pipe support. Poor drainage

Compaction Not required Not required Required 90% of Standard Proctor.

Required 90% of Standard Proctor.

Wet Conditions (below current or future water table). Rock Cuts

Acceptable. Must use same material for Haunching.

Acceptable. Must use same material for Haunching.

Acceptable. Clean groups only suitable for drainage blanket.

Not- Acceptable

Dry Conditions Acceptable Acceptable Acceptable Acceptable

3.06 HAUNCHING AND INITIAL BACKFILL

A. General

1. Provide complete and uniform bearing and support for the pipe, including allowance for bell holes, or structure.

2. Work material under and around the pipe to ensure full pipe support.

3. Prevent movement of the pipe during placement of material.

4. Avoid contact between the pipe and mechanical compaction equipment.

B. Utilize Class I, II or III materials as appropriate for haunching and initial backfill as listed in Table below. No frozen materials or frozen clods.

Use of Soils and Aggregate for Haunching and Initial Backfill Class IA Class IB Class II Class III General Excellent pipe support. Excellent drainage. Install to a minimum of 6” above the pipe crown.

Excellent pipe support. Good drainage. Minimizes migration of adjacent material. Install to a minimum of 6” above the pipe crown.

Good pipe support. Fair drainage. Install and compact to a minimum of 6” above the pipe crown.

Reasonable pipe support. Poor drainage. Install and compact to a minimum of 6” above the pipe crown.

Compaction Not required Not required Required 85% of Standard Proctor.

6 inch maximum lifts.

Required 90% of Standard Proctor.

6 inch maximum lifts.

Wet Conditions (below current or future water table). Rock Cuts

Acceptable. Must use same material for Bedding.

Extend Haunching to the top crown of the pipe.

Acceptable. Must use same material for Bedding. Extend Haunching to the top crown of the pipe.

Acceptable. Clean groups only suitable for drainage.

Not- Acceptable

Dry Conditions Acceptable Acceptable Acceptable Acceptable

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3.07 FINAL BACKFILL

A. Backfill remainder of excavation with native material, free from large clods, large stones, organic material or frost chunks.

B. Compact in 12-inch lifts to a density not less than the density of the surrounding undisturbed soil.

1. Compact with a mechanical tamper to a density not less than 90% of the maximum dry density, determined by ASTM D 698.

2. Provide 4 feet minimum cover over the top of the pipe before utilization of hydrohammer compaction equipment.

3. Provide 3 feet minimum of backfill over the pipe before wheel loading the trench.

C. Conform to Section 02705 – Road Restoration for backfill requirements under roadways.

D. Backfill and compact around manholes, valve boxes, and other appurtenances in 12-inch lifts.

1. Compact with a mechanical tamper to a density not less than 90% of the maximum dry density, determined by ASTM D 698.

E. Backfill around septic tanks in 18-inch lifts.

1. Compact in a manner that will not produce undue strain on the tank.

2. Compaction may be accomplished with the use of water, provided the material is thoroughly wetted from the bottom up, and the tank is filled with water to prevent floating.

F. Repair any trenches improperly backfilled or where settlement occurs, then refill and compact.

G. Restore surface to the required grade and compaction. Conform to Section

02310 – Grading for rough grading, finish grading and site surface drainage.

H. Remove all surplus backfill materials to a location approved by the Engineer.

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3.08 REMOVAL OF NUISANCE WATER

A. Remove nuisance water entering the trenches. Nuisance water that can be removed through the use of sump or trash pumps is not considered dewatering.

B. Keep trenches free from water until the facilities are in place, sealed against the entrance of water, and backfill has been placed and compacted above the water level.

3.09 LOCATE EXISTING UTILITIES

A. Field locate all existing underground utilities.

1. Utilize state “dig-safe” or “one-call” hotlines.

2. Contact all other utility owners not covered by the state “dig safe” hotlines.

3.10 UTILITY CONFLICTS

A. Protect existing utilities from damage during excavation and backfilling operations.

B. Provide temporary support for existing water, gas, telephone, power, or other utility services that cross the trench until backfilling of trench is complete

1. Compact backfill to 95% of Standard Proctor Density under disturbed utilities.

2. Repair or replace any damaged existing utilities, at no additional cost to the project.

C. Water and sewer main crossing and parallel installation

1. Maintain a 10 foot horizontal separation (O.D. to O.D.) for parallel mains.

2. Upon approval by the Engineer, water and sewer mains may be installed closer than 10 feet, provided all of the following conditions;

a. Vertical separation is 18 inches (O.D. to O.D.)

b. Water main is above the sewer main.

c. Separate trenches are maintained.

3. Maintain a minimum 18-inch vertical separation (O.D. to O.D.) for crossing mains.

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a. Lay pipe with joints equidistant from the point of crossing.

4. If it is impossible to meet any of the above separation distances and deviations, one of the following methods shall be adhered to.

a. Sewer main shall be constructed to water main pressure pipe standards, and successfully pass a 150-psi pressure test prior to backfilling.

b. Either the water main or the sewer main may be encased in a watertight carrier pipe that extends 10 feet on both sides of the crossing. The carrier pipe shall be of materials approved by the regulatory agency for use in water main construction.

D. Water and sewer service crossing and parallel installation.

1. Maintain a 30-inch horizontal separation from water and sewer services.

2. Maintain a 12-inch vertical separation for crossing water and sewer services.

3. Water service line splices or joints will not be permitted within 10 feet of a sewer line crossing.

3.12 MOVING FENCES AND MINOR STRUCTURES

A. Remove and reset culverts, drainage pipes or other minor structures that fall within the alignment of the new construction, to their original location and grade.

B. Visit the project site and determine actual conditions with regard to the existence of old car bodies, abandoned houses, fences, driveways, trees, stumps, brush, sidewalks, approaches, and other miscellaneous obstacles to

1. Unless specifically referenced in a bid item, no separate payment will be made for the removal or replacement of these items.

3.14 RECORDS

A. Conform to as-built requirements in Section 01780 – Closeout Submittals.

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SECTION 02316

ROCK EXCAVATION

A. This section includes rock excavation necessary for the construction of the facilities as indicated on the plans including.

1.02 RELATED WORK (as applicable)

A. Section 01119 – Revisions to Standard Specifications

1.03 DEFINITION

A. Solid Rock

1. Large masses of rock which, in the judgment of the Project Engineer, cannot be excavated without drilling, ripping equipment or other specialized equipment.

B. Loose Rock

1. Boulders and other detached stones each having a volume of 2-cubic yard or more.

1.04 RESPONSIBILITIES

A. Protect adjacent utilities lines, property, and structures.

B. Repair damage caused by rock excavation operations.

C. Remove excavated rock from site unless otherwise directed by the Project

Engineer.

PART 2 – PRODUCTS (Not Applicable)

PART 3 – EXECUTION

3.01 ROCK MEASUREMENT

A. Measure solid rock to the nearest 0.1 foot from the surface and no less than every ten feet along the rock profile.

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1. Trenches

a. Take measurements from the top of the rock to a point 6 inches below the invert of the pipe and 12 inches from each side of the pipe or appurtenance with a maximum 30-inch trench width allowed.

2. Structures

a. Take measurements starting at 24 inches from the edge of the structure.

B. Measure quantity of loose rock in cubic yards.

C. Contact Project Engineer or representative prior to rock measurement.

D. An NPS representative shall be present during all rock measurement, unless otherwise approved by the Project Engineer.

3.02 EXCAVATION

A. Depth: Excavate a minimum of 6 inches below the pipe invert or structure.

B. Width (structures): Maintain a minimum 1-foot clearance between outer surface of structure being installed and wall of excavation.

C. Width (piping): Maintain a minimum 6-inch clearance between outer surface of pipe being installed and wall of excavation.

D. Refer to Section 02315 – Excavation, Trenching and Backfill for backfilling requirements.

1. If the native backfill material contains large rocks and boulders, the initial backfill layer shall be increased to at least 18 inches above the top of the pipe.

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SECTION 02317

STRUCTURAL FILL

A. This section includes the provision and installation of structural fill and supercedes Section 02315 – Excavation, Trenching, and Backfill on procedures and testing for backfill/fill in the area of the water filter building.

A. Section 02310 – Grading

C. Section 02920 – Topsoiling, Fertilizing, Seeding, and Mulching

1.03 SUBMITTALS

A. Sieve analysis of fill material

1.04 REFERENCES

A. ASTM D1557 – Test Method for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3, 27000 kN-m/m3)

2.01 FILL

A. Clean, well graded pit run sand/gravel

B. Maximum size: 3 inches

C. 75-97% passing the #4 sieve

D. <12% passing the #200 sieve

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A. Use suitable on-site material for fill material.

1. Onsite materials containing vegetation, ash, wood, frozen material, organic soils, or any material which by decay, or otherwise, might cause settlement shall not be used for structural fill.

B. If additional fill is required, use material meeting the requirements specified in

Part 2.01.

C. Refer to Part 3.02 for fill placement and compaction requirements.

3.02 FILL

A. Place fill to an elevation of 18 inches below the pumphouse floor elevation, as shown on the plans, to a minimum distance of 2 feet beyond each pumphouse wall.

B. Spread and level fill material at the fill’s optimum moisture content.

1. Maximum lift: 8 inches

C. Compact fill between lifts using hand guided vibratory or tamping compactors.

D. Minimum compaction requirements.

Area Percent Compaction

Fine Grained Soils Coarse-Grained Soils Within 5 feet of Building Lines Footing Bearing Soils Under Floors, Stoops, Steps, Walks

95 (70)

5 feet Beyond Building Lines Under Walks, Aprons, Paving Landscaped Areas

90 (60)

() indicates relative density requirements as determined by ASTM Test Designation D 2049. This requirement applies to coarse-grained soils only in cases where the percentage compaction requirements are not being achieved.

Coarse-grained soils are classified as those with more than 50% (by weight) larger than the No.

200 sieve and with a plastic index less than 4

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3.03 TESTING

A. Submit one sample for each proposed source of fill material to an independent laboratory for particle size analysis and optimum moisture-maximum density determinations prior to start of filling operations.

1. Determine the maximum dry density of the fill soil in accordance with

ASTM Test Designation D1557.

B. Obtain field density tests for determining the compaction of the fill.

1. Perform a minimum of 2 field density tests in the locations designated by the Project Engineer.

a. Retest areas where required compaction is not achieved at no additional cost.

b. Submit test results to the Project Engineer within 3 working days of receiving test results.

3.04 SITEWORK

A. Refer to Section 02310 – Grading

B. Refer to Section 02920 – Topsoiling, Fertilizing, Seeding, and Mulching

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05/17/2016 02370 Environmental Protection – Page 1 of 4

SECTION 02370

ENVIRONMENTAL PROTECTION

PART 1 – GENERAL

1.01 SECTION INCLUDES

A. Requirements for prevention of environmental pollution and damage as the result of construction operations under this Contract.

1.02 RELATED WORK

A. Section 02310 – Grading

B. Section 02315 – Excavation, Trenching, and Backfilling

1.03 SYSTEM DESCRIPTION

A. Environmental pollution and damage are defined as the presence of chemical, physical, or biological elements or agents which adversely affect human health or welfare; unfavorably alter ecological balances of importance to human life;

affect other species of importance to man; or degrade the utility of the environment for aesthetic, cultural, and/or historical purposes.

B. The control of environmental pollution and damage requires consideration of air, water, and land, and includes management of visual esthetics, noise, solid waste, radiant energy and radioactive materials, as well as other pollutants.

1.04 QUALITY ASSURANCE

A. Comply with this specification and the projects Storm Water Pollution Prevention Plan.

B. Inspection Logs will need to be submitted with Applications for Payment.

1.05 SUBMITTALS

A. Qualifications of Inspector (if SWPPP is issued)

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2.01 STORM WATER POLLUTION INSPECTOR

A. Contractor is to provide a state qualified and licensed (if applicable) inspector to maintain and update the Storm Water Pollution Prevention Plan.

3.01 PROTECTION OF ENVIRONMENTAL RESOURCES

A. Protect the environmental resources within the project boundaries and those affected outside the limits of permanent Work during the entire period of this Contract. Confine activities to areas defined by the Drawings and Specifications.

B. Protection of Land Resources:

1. Prior to the beginning of any construction, identify all land resources to be preserved within the Work area.

2. Do not remove, cut, deface, injure, or destroy land resources including trees, shrubs, vines, grasses, top soil, and land forms without special permission from the OWNER.

3. Do not fasten ropes, cables, or guy wires to any trees for anchorage unless specifically authorized. Where such special emergency use is permitted, provide effective protection for land and vegetation resources at all times.

C. Location of Field Offices, Storage, and Other Contractor Facilities:

1. Place field offices, staging areas, stockpile storage, and temporary buildings in areas designated by the OWNER.

2. Temporary movement or relocation of facilities shall be made only on approval by the OWNER.

D. Disposal of Waste:

1. Dispose of solid wastes (excluding clearing debris) in containers which are emptied on a regular schedule. All handling and disposal shall be conducted to prevent contamination.

2. Transport all solid waste off property and dispose of it in compliance with applicable Poarch Band of Creek Indians, Federal, State, and local requirements for solid waste disposal.

3. Store chemical waste in corrosion resistant containers, removed from the Work area and disposed of in accordance with applicable Poarch Band of Creek Indians, Federal, State, and local regulations.

4. Discarded materials other than those which can be included in the solid waste category shall be handled as directed by the OWNER.

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3.02 PROTECTION OF WATER RESOURCES

A. Keep construction activities under surveillance, management, and control to avoid pollution of surface and ground waters. Special management techniques as set out herein shall be implemented to control water pollution.

B. Washing and Curing Water:

1. Wastewaters directly derived from construction activities shall not be allowed to enter water areas.

2. These wastewaters shall be collected and placed in retention ponds where suspended materials can be settled out or the water evaporates so that pollutants are separated from the water.

C. Monitor all water areas affected by construction activities.

3.03 PROTECTION OF FISH AND WILDLIFE RESOURCES

A. Keep construction activities under surveillance, management, and control to minimize interference with, disturbance to, and damage of fish and wildlife.

3.04 PROTECTION OF AIR RESOURCES

A. Keep construction activities under surveillance, management, and control to minimize pollution of air resources.

B. All activities, equipment, processes and Work operated or performed in accomplishing the specified construction shall be in strict accordance with the applicable air pollution standards of the State of Alabama and all Federal emission and performance laws and standards.

3.05 PROTECTION OF SOUND INTRUSIONS

A. Keep construction activities under…