TRIPLE_CHAIR_LIFT_SOW.doc

SCOPE OF WORK

Prevent Maint. Triple Chair Lift & Rope Tow

GGR 0094 9J

SCOPE of WORK: The contractor shall provide all trade certifications, expertise, services, materials, supplies, supervision, labor, except where specified as Government furnished to perform necessary yearly preventative maintenance on the handle tow, ski chair lift, inspection and certification for all wire ropes on the chair lift and handle tow at the Victor Constant Ski Slope West Point, NY 10996, in accordance with (IAW) applicable laws, rules, regulations, codes and guidelines at the United States Military Academy (USMA), West Point, NY 10996.

Hours of Operation: The Contractor Shall Perform Services during the normal work hours of 8:00AM – 4:30 PM Monday Thru Friday (Excluding Federal Holidays). No other work hours will be permitted unless requested in writing and approved by the Contracting Officer.

Contractor shall coordinate the date and time of the maintenance with KAREN MARASCHINO 845-938-7939 OR EMAIL Karen.Maraschino@usma.edu .

SPECIFIC TASKS:

The intent of this service contract is the complete inspection, certification and maintenance to insure trouble free and safe operation of the Multi Ski lift Handle Tow and the Borvig Triple Chair Lift located at the Victor Constant Ski Slope.

Reference is specifically made to the Borvig instruction manual, 1983 edition and for the handle tow lift references is specifically made to the Multi Ski lift manufacturer’s Quality Management requirements for construction, operation, handling and maintenance of Multi Lifts.

All work to be accomplished 01 April - 30 Sept of any calendar year and any emergency service throughout the year.

CONTRACTOR SHALL:

Be responsible for any damages incurred by him and his employees.

Leave all areas clean, free of rags, papers, old grease and litter.

Perform all services during normal work hours (8:00 am - 4:30 pm) Monday through Friday, excluding Federal holidays.

Coordinate dates and times of services with the Contract Monitor (COR) a minimum of two weeks prior to anticipated start of services.

Perform all inspections, maintenance and repairs in accordance with the Borvig Instruction Manual, current ANSI Standard B77.1, for the handle tow - Multi Ski lift manufacturer’s specifications and NYS Industrial Code Rule 32. All work shall comply with the requirements of the Engineer Safety Manual EM 385-1-1, OSHA 29 CFR 1926 Construction, and OSHA 29 CFR 1910

Notify Contract Monitor immediately upon finding any deficiencies that are not directed to be repaired within these specifications. The Contractor shall provide a written report of any deficiencies noted during inspections. The report shall include a detailed cost estimate to include parts, labor and materials of what repairs are required and should be submitted to the Contract Monitor within 24 hours of identification of deficiencies. Contract Monitor will then determine the proper course of action with the Mission Installation Contracting Command (MICC).

The contractor shall submit a written report, to the Contract Monitor (COR) documenting all work performed on the components of the chair lift and handle tow.

The contractor shall identify all deficiencies found, corrective measures taken, replacement parts required, quantities and quality of lubricants utilized. Same shall be submitted within 30 days upon completion of services.

Insure chair lift and handle tow to be in full and safe working order.

The contractor shall provide all parts necessary to accomplish maintenance and repairs as identified as follows in the performance section.

Inspection and certification of all wire ropes specified in the performance section shall be performed by an experienced wire rope inspector. The Contractor shall perform the wire rope inspection in accordance with the ANSI B77.1 standard. See page 155.

Section 7.4.1. WIRE ROPE in the ANSI B77.1-1999 Standard for a description of the qualifications and procedures to follow as required for proper wire rope inspecting.

The contractor shall respond to emergency services as and when called for by the Contract Monitor (COR) or (KO) and within 24 hrs of notification by same.

WORK TO BE PERFORMED

STRUCTURES:

Check for cracks in welds and general appearance that may indicate deterioration of the structural integrity of each.

Prep, spot prime and fully paint towers as per statement, or as directed by the KO or COR;

a. Tower #'s 7, 8 & 9, during the base year.

b. Tower #’s 4, 5 & 6 during the 2nd opt year.

c. Tower #’s 1, 2 & 3 during the 4th opt year.

Prep, spot prime and spot paint all other structures.

Paint shall be oil base and color shall remain the same.

Check and insure all brittle bars are adequate and all connections are sound.

GEAR BOX

Check for water accumulation and insure oil level is adequate.

SERVICE BRAKE

1. Change hydraulic fluid.

2. Clean and grease piston rod

3. Inspect pads and replace if necessary.

4. Insure shoe to drum gap is within tolerances.

5. Insure brake functions as designed.

6. Check, adjust if necessary, that stopping distances are within acceptable standards.

Torque test to 103 ft/lbs at the APU shaft.

Correct deficiencies as required.

EMERGENCY BRAKE

Remove, clean, check for rust, lubricate with grease and reassemble conical springs.

Inspect pads, replace if necessary, check gap and adjust as required.

Insure bull-wheel rim and brake lining is clean.

Insure hydraulic cylinders and lines are in good operating condition, hydraulic fluid is adequate.

Torque test to 108 ft lbs and insure emergency brake functions as designed.

Inspect bull-wheel welds and liner.

Correct deficiencies as required.

BACKSTOP

Lubricate dog bearing and under-speed switch.

Clean linkages, dog and area between dog and housing.

Clean, inspect and replace if necessary the under-speed switch wheel.

REVERSION TERMINAL

Check and lubricate bearing.

Inspect rubber liner, structure and bull-wheel welds.

COUNTERWEIGHT (see also para K)

Clean wire rope of all old grease and apply new light grease.

Grease all sheaves.

Insure counterweight is positioned correctly.

HAUL ROPE (see also para K)

Clean and lubricate with industrial castor oil.

CHAIRS

Lubricate pivot points at grips.

Inspect welds for cracks and re-weld as necessary.

Check all nuts and bolts for wear and tightness.

Move grips backward on haul rope approximately 24" and mark with spray paint. In this movement, insure all chairs are equally spaced over the entire length of the haul rope.

Test all grips for slippage to the required torque of 240 ft lbs.

Perform inspection and magnetic particle testing on ten grips as identified by the Contract Monitor. Contractor shall provide written certification attesting to the safety and condition of the grips. If a grip fails this inspection and testing, contractor shall provide a written report documenting the reason for the chair grip failure to the Contract Monitor within three working days. Grip or grips shall be given to the Contract Monitor for further evaluation and replacement procedures.

Replace chair slats as required. Prime and paint same to match existing.

Prep and paint a total of 30 continuous chairs in their entirety. Record chair numbers for inclusion in final report. Protect chair numbers from paint or replace in kind.

NOTE: Disassembly of all chair grips are to be done every odd calendar year.

LINE SHEAVES

Insure all bearings are adequately lubricated.

Insure tightness of all bolts.

Visually check all sheaves, replace six (6) liners as required * and insure all line sheaves are correctly aligned with the haul rope.

* If additional liners need to be replaced contact Contract Monitor (COR).

WIRE ROPE INSPECTION AND CERTIFICATION

Perform a complete and detailed inspection of the counterweight and haul ropes of the chair lift and the handle tow to insure these wire ropes are safe for their intended use.

Inspect and certify the chair lift and handle tow haul rope, paying particular attention to its’ splices.

Inspect and certify the counterweight rope paying particular attention to its’ end connections.

Report shall be included in the total PM report on a form applicable to satisfy the requirements of ANSI B77.1 for Aerial Passenger Tramways and signed by the qualified wire rope inspector.

LOW VOLTAGE SAFETY CONTROL SYSTEM

System check, by competent electrician for low voltage control systems on aerial chair lifts, to entire safety control circuitry. Repair, adjust or replace components as required.

Install additional lift start control operator into the existing electrical control box on the exterior of bottom lift house. One time requirement to allow lift operator to be in contact with patrons upon a restart.

Provide and maintain a minimum of 4 replacement brittle bars as spares and stored in bottom lift house.

HANDLE TOW MAINTENANCE

Check and service both upper and lower drive stations to include the electric motor, check and grease bearings. Check all remaining mechanical components. Inspect the status and insure the quality of the gear oil (replace if necessary). The wheel hub bearings and the non-return device at the return station are to be checked and to be lubricated with bearing grease.

Inspect the foundations and anchorages for their proper condition.

Inspect the proper condition of the entire electrical system and its earthing. Inspect all stop switches and safety gates and safety mechanisms. Insure all operate properly.

All screws of the lift construction are to be checked for their firm fit and to be retightened if necessary.

The steel wire rope is to be inspected at the whole length for wire break, intense corrosion and distortion. The inspection result is to be documented and submitted to the KO or contract representative.