Specs_-_Tank_Rehab.pdf

03/02/2015 01100 Summary of Work - 1 of 4

GRSM 203460 - 203461

SECTION 01100

SUMMARY OF WORK – METCALF BOTTOMS

PWSID - 0001270

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 (133/60118):

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: Metcalf Bottoms Picnic Area, Great Smoky

Mountains National Park, near Gatlinburg, 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 Metcalf Bottoms Picnic Area was developed along a section of the

Little River in the Great Smoky Mountains National Park. The facilities were constructed in the early 1960’s and have gone through various updates throughout the years. The below ground concrete water storage tank was part of the original construction and was abandoned in the mid 1980’s for the above ground FRP standpipe that is in use today.

This project will rehabilitate the old below ground concrete tank and take the FRP tank out of service.

1.03 SCHEDULING

A. The picnic area will remain open during the construction. The trail will be posted as closed but the contractor will be responsible for barriers as needed. The contractor is expected to be courteous to the Park’s visitors and only work with equipment during the hours of 8 a.m. to 5 p.m. The following restrictions are in place:

03/02/2015 01100 Summary of Work - 2 of 4

Cosby Work may be done any time of year as long as no interruption of service takes place

Chimneys Disruption of water service after 10/31/2015 is permissible

Metcalf Bottoms Trail cannot be blocked until after 11/16/2015

B. Absolute completion date - the contractor shall complete all work before Chimneys reopens in March of 2016.

1.04 SUMMARY OF WORK TO BE DONE BY CONTRACTOR - Metcalf Bottoms

A. Water Storage Tank

1. Excavate around tank and install perimeter drain.

2. Core holes and install piping as shown on plans.

3. Make any tank repairs/ concrete patches that are required.

4. Install hatches, vents, etc.

5. Apply liner to interior and exterior of tank.

B. Water Main

1. Install new 4” Ductile Iron Watermain. Mains will require bedding material.

2. Install new 2” HDPE pump line. Mains will require bedding

3. Install new 1” electrical conduit. Conduit will require bedding

C. Abandonment of FRP Tank

1. Deconstruct FRP tank, platforms, ladders and fencing (everything but slab).

2. Dispose of outside of Park in approved location(s).

1.05 SPECIAL CONSTRUCTION REQUIREMENTS

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

03/02/2015 01100 Summary of Work - 3 of 4

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

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

1.06 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

1.07 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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03/02/2015 01101 Summary of Work - 1 of 4

SECTION 01101

SUMMARY OF WORK – CHIMNEYS

PWSID - 0001264

indicated by Project Drawings (133/60119):

3. materials

4. labor

5. supplies

6. manufactured articles

B. Location of Work: Chimneys Picnic Area, Great Smoky Mountains

National Park, near Gatlinburg, 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

A. The Chimneys Picnic Area was originally developed as a campground in the late 1930’s. It is believed that issues with Bears and garbage necessitated its transition to a day use area. The facilities were constructed in the late 1930’s and have gone through various updates throughout the years. The below ground concrete water storage tank was part of the original construction and was abandoned in the mid 1980’s for the above ground FRP tank that is in use today. This project will rehabilitate the old below ground concrete tank and take the FRP tank out of service.

B. The tank is approximately 30,000 gallons with a domed roof.

A. The picnic area will remain open until 11/31/2015. The area is out of the way for the public but the contractor will be responsible for barriers

03/02/2015 01101 Summary of Work - 2 of 4 as needed. The contractor is expected to be courteous to the Park’s visitors and only work with equipment during the hours of 8 a.m. to 5 p.m. The following restrictions are in place:

Cosby Work may be done any time of year as long as no interruption of service takes place

Chimneys Disruption of water service after 10/31/2015 is

4. Install hatches, vents, ladder, etc.

C. Abandonment of FRP Tank

1. Deconstruct FRP tank, saddles and footers.

2. Dispose of outside of Park in approved location(s).

03/02/2015 01101 Summary of Work - 3 of 4 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

1. Sidewalks

2. Roadways

03/02/2015 01101 Summary of Work - 4 of 4

03/02/2015 01102 Summary of Work - 1 of 4

SECTION 01102

SUMMARY OF WORK – COSBY

Non-Public Water System indicated by Project Drawings (133/60120):

3. materials

4. labor

5. supplies

6. manufactured articles

B. Location of Work: Cosby Maintenance Area, Great Smoky Mountains

National Park, near Cosby, 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

A. The Cosby Developed Area was originally developed as a maintenance yard and housing area to support the campground and picnic area farther up the road. The water system is small enough that it does not meet the definition of a public water system, however, the NPS manages the system as if it was. The facilities were constructed in the late 1960’s and have gone through various updates throughout the years. The below ground concrete water storage tank was part of the original construction and was abandoned in the mid 1980’s for an above ground FRP standpipe that catastrophically failed in 2011. A small PE tank is currently in use today. This project will rehabilitate the old below ground concrete tank and take the PE tank out of service.

B. The tank is approximately 10,000 gallons with a flat roof.

03/02/2015 01102 Summary of Work - 2 of 4

A. The Cosby Maintenance system will be in service during the project.

Interruption of service for tie-ins will be permitted. The area is out of the way for the public but the contractor will be responsible for barriers as needed. The contractor is expected to be courteous to the Park’s visitors and only work with equipment during the hours of 8 a.m. to 5 p.m. The following restrictions are in place:

Cosby Work may be done any time of year as long as no interruption of service takes place

Chimneys Disruption of water service after 10/31/2015 is

4. Install hatches, vents, etc.

C. PE Tank

1. The existing PE tank is to be disconnected from the water system and is to remain in place.

03/02/2015 01102 Summary of Work - 3 of 4 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

1. Sidewalks

2. Roadways

03/02/2015 01102 Summary of Work - 4 of 4

03/20/2015 01270 Price & Payment.doc- 1 of 8

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.

03/20/2015 01270 Price & Payment.doc- 2 of 8

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 Tank Reconditioning

1. Metcalf Bottoms Perimeter Drain

a. Measurement: By the Lump Sum for the required work to install the perimeter drain.

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

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2. Metcalf Bottoms Tank Lining

Tank Lining.

all other appurtenances required to spray line the inside and outside of the tank.

3. Metcalf Bottoms Piping

Piping and Hardware on the Tank to and including the valves outside all other appurtenances required to install the piping, hardware and valving on/ in the tank.

4. Metcalf Bottoms 4” Ductile Iron Pipe

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.

5. Metcalf Bottoms 2” HDPE SDR 11 PE 4708

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection,

6. Metcalf Bottoms 1” Conduit

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection,

7. Metcalf Bottoms Connection to Existing System

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

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

8. Metcalf Bottoms Demo of Existing Water Storage Tank

a. Measurement: By the Lump Sum for the removal of the tank, fencing and other appurtenances (except the foundation) all other appurtenances required to complete the removal of the tank.

9. Chimneys Perimeter Drain

b. Basis of Payment: Includes all labor, materials, equipment, tools and

10. Chimneys Tank Lining

b. Basis of Payment: Includes all labor, materials, equipment, tools and

11. Chimneys Piping

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12. Chimneys 4” Ductile Iron Pipe

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection,

13. Chimneys 2” HDPE SDR 11 PE 4708

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection,

14. Chimneys 1” Conduit

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection,

15. Chimneys Connection to Existing System

b. Basis of Payment: Includes all labor, materials, equipment, tools and

16. Chimneys Demo of Existing Water Storage Tank

a. Measurement: By the Lump Sum for the removal of the tank and other appurtenances (including the foundation) all other appurtenances required to complete the removal of the tank including the saddles and foundation.

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B. Schedule A: Bid Option 1 – Cosby Tank

17. Cosby Perimeter Drain

18. Cosby Tank Lining

b. Basis of Payment: Includes all labor, materials, equipment, tools and

19. Cosby Piping

20. Cosby 4” Ductile Iron Pipe

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection,

21. Cosby 2” HDPE SDR 11 PE 4708

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection, 03/20/2015 01270 Price & Payment.doc- 7 of 8

22. Cosby 1” Conduit

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection,

23. Cosby Connection to Existing System

b. Basis of Payment: Includes all labor, materials, equipment, tools and

C. Schedule A: Bid Option 2 – Metcalf Waterline

24. Additional Metcalf Bottoms 4” Ductile Iron Pipe

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection,

25. Additional Metcalf Bottoms 2” HDPE SDR 11 PE 4708

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection,

26. Additional Metcalf Bottoms 1” Conduit

b. Basis of Payment: Includes all pipe, fittings, flushing, disinfection, 03/20/2015 01270 Price & Payment.doc- 8 of 8

27. 4” Gate Valve w/ Box

a. Measurement: By each installed.

b. Basis of Payment: Includes gate valve and box, concrete support block, installation of tracing wire, valve marker and all other

PART 3 – EXECUTION (N/A)

03/02/2015 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/ COR 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. The Contractor is responsible for having utilities marked prior to construction.

03/02/2015 01310 Project Management and Coordination.doc Page 2 of 2

03/02/2015 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 COTR, 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.

03/02/2015 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.

03/02/2015 01430 Quality Assurance.doc - 2 of 2

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.

03/02/2015 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, latest 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.

03/02/2015 01560 Barriers.doc - 2 of 4

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.

03/02/2015 01560 Barriers.doc - 3 of 4

3.04 REMOVAL

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

03/02/2015 01560 Barriers.doc - 4 of 4

03/02/2015 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.

03/02/2015 01600 Material and Equipment.docx Page 2 of 2

C. Protection after Installation:

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

03/02/2015 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

03/02/2015 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.

03/02/2015 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 BLOCK BUILDING

A. Remove entire block structure

1. Roof and slab shall be removed

B. Misc. Electrical and plumbing

3.03 EXISTING FIBERGLASS WATER TANKS

A. Remove entire structures including steel saddles and concrete foundations.

B. Concrete slab for vertical water storage tank is to remain (Metcalf Bottoms)

3.04 FENCING

A. Fencing, posts, and any concrete shall be removed

03/02/2015 02050 Demolition - 2 of 2

3.05 POLY WATER TANK (COSBY)

A. Tank shall be disconnected from the system but will remain in place

B. Fencing, posts, and any concrete shall remain in place

03/02/2015 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.

03/02/2015 02310 Grading - 2 of 2

03/02/2015 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, latest edition.

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, latest edition.”

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 “811”,“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 less.

2. No additional payment will be made for loose rock.

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)

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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.

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 02320

WATER STROAGE TANK PERIMETER DRAINAGE

A. This section includes the provision and installation of a perimeter drainage system around the exterior of an underground water storage tank.

A. Section 02315 – Excavation, Trenching and Backfill

B. Section 02370 – Environmental Protection

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

1.03 SUBMITTALS

A. Perforated pipe

B. Gravel

C. Geotextile Fabric

D. Check Valve

2.01 PERFORATED PIPE

A. 4” nominal diameter with two rows of ½” circular perforations every 5” at a 120 degrees apart

B. Conforms to ASTM D3034 prior to perforations

C. Minimum wall thickness of 0.120 inches

2.02 PIPING FABRIC

A. Filter fabric/ sock designed to keep sediment from entering pipe

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2.03 GRAVEL

A. Washed aggregate equal to a washed #57 stone

2.04 GEOTEXTILE FABRIC

A. Polypropylene nonwoven fabric

B. 16.0 oz/sqyd

C. 390 lbs tensile strength

D. 100 sieve max apparent opening

E. 50 gpm/ft2 max water flow rate

2.05 CHECK VALVE

A. Elastomeric flow operated Inline service check valve

B. Slip-in style

C. Downstream SS clamp or downstream flanged

D. Unibody construction

E. Tideflex Checkmate or equal

3.01 INSTALLATION

A. Excavate along walls of tank to footer, do not excavate below footer.

B. Install geotextile to form a U-shape

C. Install 4-6” base layer of stone

D. Install perforated pipe

1. Holes to point downward

2. Glue all fittings

E. Install pipe fabric around pipe

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F. Backfill trench with stone in 1 foot lifts

G. Cover top of stone with geotextile fabric

H. Cover geotextile fabric with topsoil

I. Convert perforated pipe to solid pipe and run to daylight.

J. Install check valve and screen as shown in detail.

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SECTION 02321

WATER STROAGE TANK REHABILITATION

A. This section describes the work and materials needed for the rehabilitation of underground water storage tanks.

B. Section 02370 – Environmental Protection

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

A. Access Door

B. Ladder

C. DI pipe and fittings

D. Check valve

E. SS Screen

2.01 ACCESS DOOR (HATCH)

A. 30” x 30” opening to fit over existing opening

B. Extruded aluminum frame

C. ¼” thick diamond pattern aluminum cover

D. Stainless steel hinges, attaching hardware, tamper proof fasteners and hold open arm

E. Padlock lug

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F. Neoprene gasket

G. Equal to Halliday Products series F1R access door model number F1R3030

2.02 LADDERS (CHIMNEYS TANK)

A. All aluminum welded construction

B. 1 ⅜” Diameter type “D” rung with flat slip resistant ribbed rung design

C. Wall-only mount

D. 10” standoff, 22 foot diameter

E. Equal to Halliday Products Series L1B

2.03 DUCTILE IRON PIPE AND FITTINGS

A. Flanged class 350 ductile iron pipe and fittings suitable for potable water use

B. Reducers – 6” to 4” unless otherwise indicated on plans

2.04 STAINLESS STEEL SCREEN

A. 24 Mesh

2.05 CHECK VALVE

A. Elastomeric flow operated Inline service check valve

B. Slip-in style

C. Downstream SS clamp or downstream flanged

D. Unibody construction

E. Tideflex Checkmate or equal

2.06 COREING OF CONCRETE

A. All holes greater than 1” in diameter shall be cored

2.07 HYDRAULIC CEMENT

A. Hydraulic cement shall meet ASTM C109 and C191

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3.01 INSTALLATION OF ACCESS DOOR

A. Install new doors before lining tank.

B. Install new doors centered around existing access points.

C. Fasten to concrete with at least 8 fasteners

D. Build up level mounting surface with hydraulic cement where necessary

3.02 INSTALLATION OF LADDER

A. Install new ladder before lining tank.

B. Install ladders centered in manway.

C. Fasten to concrete with as recommended by the manufacturer.

3.03 INSTALLATION OF VENTS

A. Install vents before lining tank.

B. Install vents at locations shown on plans.

C. Clean/ Unplug existing vent holes prior to installing vents

D. Assemble vents using flanged DI pipe

E. Fasten to concrete with a fasteners in each hole of flange

3.04 INSTALLATION OF PIPING

A. Install new piping and supports before lining tank.

B. Core concrete using hole saw in a size large enough to allow for proper grouting of pipe in place.

C. Grout pipe in place…