Sasakwa_Medium_Voltage_Cables_for_Water_Systems-_Amendment_1.docx

SECTION 26 05 13.0001

MEDIUM VOLTAGE CABLES FOR WATER SYSTEMS

PART 1 GENERAL

1.01 SUMMARY

A. This section includes cables and associated connectors, splices, and terminations for wiring systems rated 600 V and less used for water wells and their systems.

B. Related requirements:

1. Section 01 33 00.0000 – Submittal Procedures.

2. Section 01 43 00.0000 - Quality Assurance.

3. Section 31 11 00.0000 – Clearing and Grubbing.

4. Section 31 22 13.0000 – Rough Grading.

5. Section 31 22 16.0000 – Fine Grading.

6. Section 31 23 16.1300 – Trenching.

7. Section 31 23 23.1300 – Backfill.

8. Section 04 22 00.0000 – Concrete Block Pump House.

1.02 MEASUREMENT AND PAYMENT

A. Submersible Cable:

1. Measurement: vertical feet of cable installed. Lump Sum: Included in Pumphouse and Wellhouse Electrical on Bid Schedule Item 29.

2. Payment: Shall be full compensation for:

a. Provision and installation of materials including:

1) Electrical cable.

2) Connections.

3) Wire ties.

4) Appurtenances.

b. Other work:

1) Testing for conductivity.

2) Record drawings.

B. Buried Cable:

1. Measurement: linear feet of cable installed. Lump Sum: Included in Pumphouse and Wellhouse Electrical on Bid Schedule Item 29.

2. Payment: Shall be full compensation for:

a. Earthwork including all:

1) Excavation and trenching.

2) Bedding.

3) Haunching.

4) Backfill.

5) Compaction.

6) Clearing and grubbing.

7) Rough and final grading.

8) Site restoration.

b. Provision and installation of materials including:

1) Electrical cable.

2) Connections.

3) Conduit with fittings.

4) Appurtenances.

c. Other work:

1) Testing for conductivity.

2) Record drawings.

C. Imported Bedding:

1. Measurement: linear bedding placed.

2. Payment: Shall be full compensation for:

a. Earthwork including all:

1) Placing of imported bedding material.

2) Compaction.

b. Provision and installation of materials including:

1) Imported sand.

1.03 REFERENCES

A. National Electric Code (NEC).

B. UL Standard 83.

C. UL Standard 493.

1.04 SUBMITTALS

A. Conform to Section 01 33 00.0000 – Submittal Procedures.

B. Product Data:

1. Submersible cable.

2. Buried cable.

3. Conduit.

PART 2 PRODUCTS

2.01 MANUFACTURERS

A. Houston Wire & Cable Company 10201 North Loop East Houston Texas 77029 713-609-2100 www.houwire.com.

B. General Cable Corporation 859-572-8000 www.generalcable.com info@generalcable.com

C. Southwire Company One Southwire Drive Carrollton, Georgia 30119 800-444-1700 www.southwire.com.

D. Substitution Limitations:

a. Manufacturers meeting the requirements of this specification will be given equal consideration.

2.02 MATERIALS

A. Submersible and Buried Cable:

1. 1-gauge (minimum).

a. As prescribed by the pump manufacturer.

b. 4-strand (2 hot, 1 neutral, 1 ground).

c. Type TW, UL 83, wire.

1) Annealed copper:

a) 0.047-inch moisture resisting PVC insulation for mechanical protection.

d. Size to limit the overall voltage drop from the electrical service to the pump motor to 2% including the buried cable.

B. Buried Cable:

1. UF for direct burial.

2. 1-gauge wire.

3. Well House Power Cable

C. Sized to limit the total voltage drop from the electrical service to the pump motor to 2% including the submersible cable, as required by the manufacturer.

D. Cable ties: provide nylon zip ties.

PART 3 EXECUTION

3.01 INSTALLATION

A. Submersible Pump Cable:

1. Securely attached the submersible pump cable to the drop pipe every 10 feet using nylon cable ties.

2. Splices in the pump cable are not allowed.

B. Buried Cable:

1. Install type UF direct burial electric cable to provide power for the submersible pump.

2. Connect the underground wire to the submersible pump cable with a junction box located in the well house.

3. Provide rigid conduit through and under the well house slab.

4. Enclose all wiring within the pump house in ¾-inch flexible conduit.

5. Make proper connection to the circuit breaker and pump control boxes.

6. Provide sufficient slack wire in the trench to prevent separation of the cable by settlement of the trench.

7. Bury cable a minimum depth of 18 inches.

8. Install Well House Power Cable to provide power to the Wellhouses from Pumphouse location. See Section 26 05 00.0001 Well House Electrical for more details.

a. Well House Power Cable will run in same trench alongside 1 gauge pump power cable.

3.02 PROTECTION: CABLE PROTECTORS AND TORQUE ARRESTORS

A. Submersible Cable:

1. Install cable protectorcentering devices at the pump and every 50 feet above the pump to center the drop pipe in the casing.

B. Buried Cable:

1. If trench has stones larger than 3/8-inch or is in rock:

a. Over excavate the trench to a depth of 6 inches.

END OF SECTION