Summary of Work_Lift Station_VFD updated.pdf

RATCLIFF RECREATION AEA LIFT STATION REPAIRS

FEB 2020

TECHNICAL SPECIFICATIONS

LIFT STATION REPAIRS

RATCLIFF RECREATION AREA

DAVY CROCKETT NATIONAL FOREST

18551 STATE HWY 7 EAST

KENNARD, TEXAS 75847

NATIONAL FORESTS AND GRASSLANDS IN TEXAS

SUPERVISOR’S OFFICE

415 SOUTH FIRST STREET

LUFKIN, TEXAS 75901

TABLE OF CONTENTS RATCLIFF RECREATION AEA LIFT STATION REPAIRS

TECHNICAL SPECIFICATIONS

RATCLIFF RECREATION AREA LIFT STATION REPAIRS

DAVY CROCKETT NATIONAL FOREST

TABLE OF CONTENTS

01100 SUMMARY

01300 ADMINISTRATIVE REQUIREMENTS

01510 TEMPORARY UTILITIES

01730 SELECTIVE DEMOLITION

16060 GROUNDING AND BONDING

16070 HANGERS AND SUPPORTS

( Reference Original Specifications included herein after 16155 Equipment Wiring )

01100 SUMMARYRATCLIFF RECREATION AREA LIFT STATION REPAIRS

SECTION 01100

SUMMARY

PART 1 GENERAL

1.01 PROJECT

A. Project name: RATCLIFF RECREATION AREA LIFT STATION REPAIRS

B. Project description:

1. The contractor shall provide all materials, labor, and equipment necessary to remove and replace the lift station equipment in three existing wet wells and related components to include but not limited to:

Guide rails, pumps, pump control panels and power cords for pumps, hinges, brackets, eyebolts, alarm electrodes/floats, piping and pump brackets at Ratcliff Recreation Area (see attached original construction plan for layout of existing wet well equipment). Three lift stations are included in this project.

Remove and replace the hinged steel access doors and frames to the lift station wet wells and the adjacent valve boxes. Remove and replace access doors/frames with hinged aluminum access doors and frames.

Replace existing valve box contents with new (check valves, ball valves, siphon break valves) and any other items included therein for a complete replacement of the valve box components.

Replace existing lift station components. The design pump for all lift stations is Flyght Pump CP 3082 or approved equal and associated pump control panels. Pump control panels to be modified to include Variable Frequency, Drives (VFD) capable of single phase to three phase conversion. VFD’s shall be model ACQ580 as manufactured by ABB Ltd. Or approved equal. One VFD per pump.

Verify electrical breaker(s), components, and electrical control panel service labels are up to date upon completion of repairs to reflect any corrections and/or changes.

Verify all concrete penetrations are sealed and water tight.

Submit all replacement components for approval.

2. Schedule a meeting with District Ranger (Kimpton Cooper) to instruct select personnel in operation and maintenance of system. Provide staff with Operation and Maintenance manual (2 copies).

C. It is the intent of this contract to provide fully functioning lift stations that meets the requirements of the Texas Commission on Environmental Quality (TCEQ).

D. The recreation area will remain open and fully functional during the entire life of the contract.

Normal business hours are Monday through Friday from 8:00 a.m. until 4:30 p.m.

E. The contractor shall coordinate with COR the shut-off of any utility services (water, power, etc) to the Recreation Area.

1.02 CONTRACT

A. Contract type: A single prime contract based upon a stipulated price. It is the intent of this contract to provide tested and fully functional lift station systems.

01100 SUMMARYRATCLIFF RECREATION AREA LIFT STATION REPAIRS

B. The contractor shall leave the site and grounds clean and ready for system operation.

1.03 CONTRACTOR USE OF SITE AND PREMISES

A Construction operations: Limited to the lift station and the immediate surrounding area and associated system components.

B. Maintain access to and from the site as required by the Forest Service. The contractor shall store materials and park vehicles so as not to interrupt the traffic flow or activities at the recreation area.

1.04 CONSTRUCTION STAKING

A. N/A

1.05 TESTING LABORATORY SERVICES

A. The contractor shall be responsible for all sampling and testing required herein and shall bear the costs thereof.

PART 2 PRODUCTS

The contractor shall furnish all materials required for the completion of the project.

PART 3 EXECUTION

All plumbing and electrical work specified herein shall be done by or under the direct supervision of licensed electricians and plumbers with current license registration in Texas.

END OF SECTION

RATCLIFF RECREATION AREA LIFT STATION REPAIRS 01300 ADMINISTRATIVE REQUIREMENTS

SECTION 01300

ADMINISTRATIVE REQUIREMENTS

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Submittals for review, information, and project closeout.

B. Number of copies of submittals.

C. Submittal procedures.

PART 2 PRODUCTS – NOT USED

PART 3 EXECUTION

3.01 SUBMITTALS FOR REVIEW

A. When the following are specified in individual sections, submit them for review:

1. Product data

2. Shop drawings

3. Samples for selection

4. Samples for verification

B. Submit to the COR for review for the limited purpose of checking for conformance with the information given and the design concept expressed in the contract documents.

C. Samples will be reviewed only for compliance with the salient characteristics of the material or equipment.

D. After review, provide copies and distribute in accordance with 3.05 SUBMITTAL PROCEDURES below and for record documents purposes described in SECTION 01780

CLOSEOUT SUBMITTALS.

3.02 SUBMTTALS FOR INFORMATION

A. When the following are specified in individual sections, submit them for information:

1. Design data

2. Certificates

3. Test reports

4. Inspection reports

5. Manufacturer’s instructions

6. Manufacturer’s field reports

7. Other types indicated

B. Submittals are for the Contracting Officer’s knowledge as contract administrator or for USDA Forest Service. No action will be taken.

3.03 SUBMITTALS FOR PROJECT CLOSEOUT

A. When the following are specified in individual sections, submit them at project closeout:

RATCLIFF RECREATION AREA LIFT STATION REPAIRS 01300 ADMINISTRATIVE REQUIREMENTS

1. Project record documents

2. Operation and maintenance data

3. Warranties

4. Owners Manuals

5. Bonds

6. Other types indicated

3.04 NUMBER OF COPIES OF SUBMITTALS

A. Documents for review – five copies

B. Documents for information – two copies

C. Documents for project closeout – see SECTION 01780

D. Samples – submit the number of samples required by individual specification section. One sample will be retained by the Contracting Officer.

3.05 SUBMITTAL PROCEDURES

A. Identify Project, Contractor, Subcontractor or supplier, pertinent drawing and detail number, and specification section as appropriate on each copy.

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

C. Schedule submittals to expedite the project, and coordinate submittal of related items.

D. Allow 15 days for review of each submittal excluding delivery time to and from the contractor.

E. Identify variations from contract requirements, and product or system limitations which may be detrimental to successful performance of the completed work.

F. Provide space for Contractor and Forest Service review stamps.

G. When revised for resubmission, identify all changes made since prior submission.

H. Distribute copies of reviewed submittals as appropriate. Instruct parties to promptly report any inability to comply with requirements.

RATCLIFF LAKE RECREATION AREA LIFT STATION REPAIRS 01510 TEMPORARY UTILITIES

SECTION 01510

TEMPORARY UTILITIES

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Temporary Utilities: Electricity, lighting, heat, ventilation, and water.

B. Temporary water supply for the contractor’s use during construction.

1.02 TEMPORARY ELECTRICITY

A. Cost: The contractor may use the on-site utilities as they exist at no cost.

B. Connect to USDA Forest Service's existing power service.

C. Permanent convenience receptacles may be utilized during construction.

1.03 TEMPORARY LIGHTING FOR CONSTRUCTION PURPOSES

A. Provide and maintain incandescent lighting for construction operations to achieve a minimum lighting level of 2 watt/sq ft.

B. Provide branch wiring from power source to distribution boxes with lighting conductors, pigtails, and lamps as required.

C. Maintain lighting and provide routine repairs.

1.07 TEMPORARY WATER SERVICE

A. The water system may be turned off temporarily during the life life of the contract. The contractor shall give the COR or District personnel 24 hours advance notice prior to disrupting water service.

B. The contractor shall provide any temporary water system required for the construction of the project. The temporary water system shall meet all sanitary and safety requirements of the Texas Commission on Environmental Quality (TCEQ).

C. The temporary water system shall be completely removed when the need for it has passed.

PART 2 PRODUCTS

Pumps and pressure tanks from the existing system may be used for any temporary water system required by the contractor.

PART 3 EXECUTION

A. The contractor shall provide any systems or conveyances for temporary utilities needed for the completion of the work required herein. Temporary utility systems shall be removed when the need for them has passed, and the site shall be restored to its former condition.

Contract Number # Page 8 of 11

RATCLIFF LAKE RECREATION AREA LIFT STATION REPAIRS 01730 SELECTIVE DEMOLITION

FEB 2020

SECTION 01730

SELECTIVE DEMOLITION

1.0 GENERAL

A. This section includes the removal of the existing piping, piping components, pumps and related electrical circuitry and conduits from the existing lift stations in preparation as necessary for installing new piping and equipment and associated appurtenances.

2.0 PRODUCTS

All materials removed from the lift stations under this section of the specifications shall become the property of the contractor.

3.0 EXECUTION

A. Piping shall be disconnected from the distribution system in a manner that will not impair the connection of the new plumbing to the existing distribution system. Pipes shall not be left open over night but shall be capped or plugged to prevent the entry of foreign materials.

B. Materials removed under this contract shall be properly disposed of off of Government land and in accordance with state and federal laws.

C. Any temporarily exposed live electrical parts resulting from demolition operations shall be covered, insulated, or otherwise protected to prevent contact by employees or visitors

Contract Number # Page 9 of 11

RATCLIFF LAKE RECREATION AREA LIFT STATION REPAIRS 16060 GROUNDING AND BONDING

FEB 2020

SECTION 16060

GROUNDING AND BONDING

PART 1 GENERAL

1.1 DESCRIPTION

This section includes grounding and bonding components of the electrical system.

1.2 REFERENCES

A. NETA STE ATS – Acceptance Testing Specifications for Electrical Power Distribution Equipment and Systems; International Electrical Testing Association, 2003.

B. NFPA 70 National Electrical Code; National Fire Protection Association, 2002.

1.3 QUALITY ASSURANCE

A. Conform to requirements of NFPA 70.

B. Products listed and classified by Underwriters Laboratories, Inc. as suitable for the purpose specified and indicated.

PART 2 PRODUCTS

2.1 ELECTRODES

A. Rod electrodes shall be copper-clad steel, 5/8 inch diameter x 10 feet long.

2.2 CONNECTORS AND ACCESSORIES

A. Mechanical connectors – bronze.

B. Exothermic connectors – Cad weld or equal.

C. Wire – stranded copper.

D. Grounding electrode conductor – sized to meet NFPA 70 requirements.

PART 3 EXECUTION

3.1 EXAMINATION

A. Verify existing conditions prior to beginning work.

B. Verify that final backfill and compaction have been completed prior to driving rod electrodes.

3.2 INSTALLATION

A. Install ground electrodes at locations indicated.

B. Provide grounding electrode conductor and connect to reinforcing steel in foundation footing. Bond steel together.

C. Provide bonding to meet requirements described in Quality Assurance

Contract Number # Page 10 of 11

RATCLIFF LAKE RECREATION AREA LIFT STATION REPAIRS 16070 HANGERS AND SUPPORTS

FEB 2020

SECTION 16070

HANGERS AND SUPPORTS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Conduit and equipment supports.

B. Anchors and fasteners

1.2 REFERENCES

A. NECA 1 Standard Practices for Good Workmanship In Electrical Contacting; National Electrical Contracting Association.

B. NFPA 70 – National Electrical Code; National Fire Protection Association, 2002.

1.3 QUALITY ASSURANCE

A. Conform to requirements of NFPA 70

B. Products listed and classified by Underwriters Laboratories, Inc. as suitable for the purpose specified and indicated.

PART 2 PRODUCTS

2.1 MATERIALS

A. Hangers, supports, anchors, and fasteners to be of corrosion resistant materials and of the size and type adequate to carry the loads of the equipment and conduit, including the weight of wire in conduit.

B. Supports shall be fabricated of structural steel or formed steel members and shall be galvanized.

C. Anchors and fasteners:

1. Obtain permission from Contracting Officer before using powder actuated anchors or preset inserts.

2. Concrete structural elements – use precast inserts, expansion anchors, powder actuated anchors, or preset inserts.

3. Steel structural elements – use beam clamps., steel spring clips, steel ramset fasteners, or welded fasteners.

4. Concrete surfaces – use self-drilling anchors or expansion anchors.

5. Hollow masonry, plaster, and gypsum board assemblies – use toggle bolts or hollow wall fasteners.

6. Solid masonry walls – use expansion anchors or preset inserts.

7. Sheet metal – use sheet metal screws.

8. Wood elements – use wood screws.

PART 3 EXECUTION

3.1 INSTALLATION

Contract Number # Page 11 of 11

RATCLIFF LAKE RECREATION AREA LIFT STATION REPAIRS 16070 HANGERS AND SUPPORTS

FEB 2020

A. Install hangers and supports as required to adequately and securely support electrical system components, in a neat workmanlike manner as specified in

NECA 1.

1. Do not fasten supports to pipes, ducts, mechanical equipment, or conduit.

2. Obtain permission from the Contracting Officer before drilling or cutting structural members.

B. Rigidly weld support members or use hexagon head bolts to present neat appearance with adequate strength and rigidity. Use spring lock washers under all nuts.

C. Install surface mounted cabinets and panelboards with a minimum of four anchors.

D. In wet and damp locations, use steel channel supports to stand cabinets and panelboards one inch off the wall.

E. Use sheet metal channel to bridge studs above and below cabinets and panelboards recessed in hollow partitions.