1282A720Q0049 Statement of Work Timber Lake Job Corps Center AHU-1 System Improvements.pdf

DINING HALL AHU-1 IMPROVEMENTS

TIMBER LAKE JOB CORPS CIVILIAN CONSERVATION CENTER

SECTION 011000

SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

A. Description: This scope of work includes replacement of a 15 TN heat pump condensing unit, replacement of the air-handler coil and blower-wheel assemblies, and repair of the return fan in Building 1467 Dining Hall. See Attachment 01 for general vicinity map, and Attachment 02 for photographs.

The existing heat pump condensing unit (AC-1) is an ICP model No. CHS180L000B, R-22, 480V, 3 phase unit. The existing air handler (AHU-1) is a Carrier model No.

40RMQ016—B611HC, mounted in the attic space above the kitchen.

This work assumes that the existing AHU-1 cabinet will not be able to be removed, due to limited drop-down ceiling ladder access, but shall be reused and retrofitted with new internal equipment.

Work shall include:

Remove existing air-handling refrigerant coil, blower-wheel assemblies, and controls.

Furnish and install new 410A coil, blower-wheel assemblies, and controls from a Carrier Model No. 40RUQA16T2A6-0A0A0 air-handler.

Remove existing 15 TN R-22 heat-pump condensing unit, refrigerant, and line sets, and properly dispose of per all applicable local State, and, Federal regulations.

Furnish and install new 15 TN 410A heat-pump condensing unit, rated at 6,000 CFM, and new line sets.

Remove and replace existing 1.5 HP, 1745 RPM, 480V motor on return fan (RF-1);

existing manufacturer is Century, model No. 8-349266-01, frame M145T.

Contractor shall reconnect to existing power and control systems, ensuring proper operation.

All equipment and/or materials shall be submitted to the CO for review and approval prior to ordering or installation.

The Contractor shall coordinate the scheduling of the work with the COR and the Center Point of Contact, per 1.4A.

Contractor shall furnish all labor, materials, equipment, and other incidentals necessary to successfully complete the project.

Item (01) – AHU-1 System Improvements – 1 Lump Sum

1.2 LOCATION

A. This project is located at the Timber Lake Job Corps Civilian Conservation Center located 31 of miles from Estacada, OR, in Clackamas County. The address is 59868 East Hwy 224, Estacada, OR 97023. Driving instructions can be obtained from the Center by calling

(503) 834-2291.

1.3 GENERAL SITE CONDITIONS AND WEATHER

A. The elevation of the site is approximately 1,500 feet above mean sea level. The construction site is accessible year-round.

1.4 USE OF PREMISES

A. Work hours for this project are between 8:00 AM-4:30 PM Monday through Friday. The Contractor shall notify the Center Point of Contact: Tony Rickman, (503) 834-3453, at least 72 hours prior to commencement of work.

B. The Contractor shall only have use of the local project area for construction operations, during the construction period. Contractor's use of premises is limited by the Government's right to perform work in the project area.

C. Contractor shall conduct his/her operations to ensure the least inconvenience to employees and students.

D. Confine storage of materials to areas as approved by the CO.

E. Contractor shall provide adequate signing and barricades and take necessary safety measures to protect the employees and students during all construction operations.

Contractor shall minimize disturbance of all undisturbed areas.

F. Preservation of Natural Features: Not Used G. Existing Utilities:

1. Contractor shall be responsible for locating and preventing damage to known utilities.

If damage occurs, the Contractor shall repair the utility at no additional expense to the Government.

2. Interruption of Existing Utility Service: Notify CO, 48 hours in advance of any interruption of existing utilities. Contractor shall coordinate with existing utilities for locates, or in the event any interruptions of services are required.

1.5 MEALS AND LODGING (NOT USED)

1.6 CAMPING (NOT USED)

1.7 CONSTRUCTION SEQUENCE

A. There is no specified construction sequence or season for this project.

B. Depending on conditions, normal fire restrictions may apply to activities associated with this project.

1.8 FIELD VERIFICATION

A. Field verify all new and existing dimensions affecting the work of this contract before ordering products.

1.9 PERMITS (NOT USED)

PART 2 – PRODUCTS

2.1 AIR-COOLED HEAT PUMPS

A. Air-cooled heat pump units shall have minimum efficiency ratings of 11.4 IEER, and 3.25

COP.

2.2 ELECTRIC MOTORS

A. RF-1 electric motor shall be inverter-duty-rated, NEMA premium efficiency, TEFC-type, with a minimum Service Factor of 1.15. HP rating and speed shall be same as that of motor being replaced.

PART 3 - EXECUTION (NOT USED)

END OF SECTION 011000