1. Statement of Work.pdf

Statement of Work Installation of Cranes in Buildings 128, 129,131, 132, 108 and 400

Rev 13 Aug 2020

1.0 SCOPE: The following specification covers the furnishing and installation of two various crane system configurations and repair of existing hoist at Anniston Army Depot:

Buildings 128 and 131 – Contractor shall install two crane systems without a bridge and hoist.

Building 132 – Contractor shall install two crane systems with one bridge and hoist.

Buildings 129 and 108 – Contractor shall install only the bridge and hoist.

Building 400 – Contractor shall repair existing hoist.

The crane systems/bridges and hoist shall be designed and constructed to Crane Manufactures Association of America (CMAA) 70 Class C. The Contractor shall not proceed with any verbal or written change(s) to the scope of work from sources other than the Contracting Officer, who will provide changes in writing.

2.0 BUILDING 128 REQUIREMENTS: The contractor shall provide one (1) 2-ton, 4-bridge cranes system measuring 86’ x 26’ and one (1) 2-ton, 4 bridge cranes system measuring 98’ x 15’. The cranes shall meet the following specifications:

2.1 Standard Products: Materials and equipment shall be standard products of manufacturers regularly engaged in the fabrication of cranes. The crane system shall be top running, single/double girder. All crane components shall be painted yellow.

2.2 Nameplates: Each major component of equipment shall have the manufacturer's name, address, type or style, or catalog number, and serial number on a metal plate secured to the equipment. The contractor shall ensure that the lifting capacity is clearly indicated on both sides of the bridge girders.

2.3 Verification of Dimensions: The Contractor shall verify all dimensions and necessary work to be performed in the field and shall advise the Contracting Officer of any discrepancy before performing any work. The contractor shall coordinate the design and layout with the crane manufacturer to provide a bridge crane system (including runway and support structure) that maximizes headroom under the runway beams.

2.4 Concrete: The contractor shall assume that the existing concrete in the building is 9” thick and proper soil compaction. If Footers are found to be required, the cost will be the responsibility of the Government.

2.5 Contractor shall remove and relocate 6 existing Jib system in the location for the new system. The Jibs shall be removed and placed outside the building for disposal. The contractor shall relocate a water fountain to an area designated by the Government and move a 2'' gas line back about 7 feet from its current location

2.6 ELECTRIC HOIST: The contractor shall provide eight (8) hoists meeting the following specifications.

2.6.1 Hoists shall be of the heavy duty type, electric motor operated, of the close headroom type to suit the carriers furnished, and shall have the following characteristics.

The lower load block and hook shall not be considered part of the rated capacity.

2.6.2 Capacity: Hoist - 2 Ton, 4,000 lbs.

2.6.3 Lift and Profile: Available lift capability shall be as a minimum 15’

2.6.4 Lifting Speeds: There shall be as a minimum two lift speeds with high being 25 ft/min as a minimum (plus 1.5, minus 1.5 ft/min); and the second speed being variable frequency drive (VFD) controlled.

2.6.5 Electrical Service: 480 Volt, 3-phase, 60 hertz A.C. Contractor will provide disconnects for the crane systems and the contractor shall be responsible for connecting to disconnects.

2.6.6 Control: The hoist motor control system shall be pendent controlled and remote controlled and shall provide two speeds in each direction. The pendent shall be located at a maximum of 3'-0" from the bottom of the pendant to finished floor.

2.6.7 Power Source: The hoist and trolley electrification system shall be enclosed conductor bar or Festoon.

2.6.8 Limit Switches: The hoist shall be provided with a limit switch for control of the hook at maximum raised position and hook in the extreme lower position.

2.6.9 Lift Height: The lift height shall be as a minimum 15’.

2.7 HOIST CARRIER: The contractor shall provide eight (8) hoist carriers meeting the following specifications.

2.7.1 Carriers shall be of the close headroom type, electric motor driven. The carriers shall have sufficient capacity to carry a fully loaded 2-ton electric hoist as specified herein previously. The number required is eight.

2.7.2 Speed: 2 speed - 75 ft/min high; 50 ft/min low (plus or minus 10%). variable frequency drive (VFD) controlled.

2.8 BRIDGE SYSTEM: The contractor shall provide eight (8) Bridge Systems meeting the following specifications.

2.8.1 Bridge systems shall be dual speed. Bridge and drive system shall be compatible and as generally offered within the manufacturer's product line. Two capacity plates shall be provided, one for each side of the bridges. Each plate shall be lettered to indicate the total rated hoisting capacity of the crane.

All lettering shall be of sufficient size to be easily read from the floor. Each lower load block shall be marked with the hoist rated capacity.

2.8.2 Drive: Drive units shall be dual speed of 75 ft/min high and 50 ft/min low, (plus or minus 10%). VFD controlled.

2.8.3 Electrical Service: 480 Volt, 3-phase, 60 hertz A.C. Bridge shall operate from insulated type conductor rails.

2.8.4 Bridge Girders: Bridge girders shall be wide flange beams, standard I-Beams, reinforced beams or sections fabricated from rolled plates and shapes. Bridge shall be designed for all dead and live loads plus a safety factor of 5. The bridge crane span shall be approximately 26 feet on one system and 15 feet on the other; actual dimensions shall be field verified before any actual fabrication begins.

2.8.5 Stops and Bumpers: Structural trolley stops shall be provided on the bridge to engage the trolley wheels. Stops shall be located to permit maximum trolley travel.

2.8.6 Bridge Rails: Bridge rails shall be fastened to the top cover plate with welded clips or J-bolts. Bridge rail joints shall be bolted using standard joint bars. Rail joints shall be staggered. A positive stop shall be provided at the bridge rail ends to prevent creep.

Bridge rails shall be of the size recommended by the crane manufacturer and specified in the contract drawings.

2.9 ELECTRICAL The Contractor shall provide the following and ensure that all electrical items shall conform to the following conditions.

2.9.1 All push-buttons or other manually operated controls shall be energized at a nominal 120 volts through control transformers as may be required. Push buttons shall be oil tight and the heavy-duty type. The hoist control shall satisfy the applicable requirements of National Electrical Manufacturers Association (NEMA), Industrial Control and Systems Standards. All wiring shall be in accordance with the National Electric Code. All electrical panels and boxes shall be marked and labeled in accordance with National Fire Protection Association (NFPA) 70e standards, also written lockout/tagout procedures for this equipment must be provided and attached to lockout/ tagout points.

2.9.2 Bridge Electrification: Power for the bridge drive motors, trolley, and hoist shall be derived from either bronze, stainless steel, rolled copper, or equal, conductor rails of a design specially suited to the purpose and supported by insulators and clamps at not more than 5 foot spacing, and supported by or on the tracks. Rail shall be in the form of a channel with the bus bars rigidly mounted against the sides and top of the formed channel. The support brackets and conductors shall be supplied and coordinated by the same manufacturer. The conductors shall be protected with plastic insulating shields or metal cover arranged to reduce the risk of accidental contact. The use of a grounded transformer circuit to eliminate one conductor will not be acceptable.

Connector bars and accessories are to be supplied and installed by the contractor along with the crane runway structure.

2.9.3 Motors: Motors shall be suitable for operation on a 480 volt, 3 phase, 60 hertz electrical power system, shall be of ample capacity to operate the hoist service shall be designed with a 30 minute time rating, 55 degree centigrade rise, and with torque and speed characteristics especially suited to the service.

2.9.4 Pendant Control Station/Remotes: The pendant control station shall be suspended from the crane by a strain chain or 1/4-inch (minimum) wire rope strain lead of corrosion resistant steel. The pendant station shall be free-floating. The pendant control station enclosure shall be NEMA Type 4. Push buttons shall be heavy duty, dust-and-or-oil-tight type having distinctly felt operating positions. Push buttons shall be so constructed that they cannot become hung-up in the control case. Pendant shall include a separate set of push buttons for each motion and for POWER ON-POWER OFF. All operating characteristics of each crane and hoists are to be controlled from the appropriate pendant located at the hoist hook. The crane shall have all movements controlled by wireless remotes. Two remotes shall be supplied with each bridge system.

2.9.5 Transformers: Transformers shall be dry type and shall carry full load continuously at rated voltage and frequency without exceeding an average temperature rise of 115 degrees C above an ambient temperature of 40 degrees C. The transformer shall have a totally enclosed case, which shall be furnished to resist corrosion. Transformers shall be fully encapsulated, except for those specifically designed for use as an isolation transformer for static power.

2.10 RUNWAY AND SUPPORT COLUMNS

2.10.1The runway shall be ASCE crane rail - 2 runs of 98’and 86’, with all hard ware for installation. The runways shall meet all CMAA standards for size, and true and parallel runs. The support columns shall be placed as close to the walls as possible. The runway shall be designed such that two bridges can be in the same bay (side by side).

3.0 BUILDING 131 REQUIREMENTS: The contractor shall provide two (2) identical crane systems each with dimensions (56’x19’) and three (3) bridges on each. The contractor shall provide crane systems meeting the following specifications.

3.1 Standard Products: Materials and equipment shall be standard products of manufacturers regularly engaged in the fabrication of cranes. The crane system shall be top running, single/double girder. All crane components shall be painted yellow.

3.2 Nameplates: Each major component of equipment shall have the manufacturer's name, address, type or style, or catalog number, and serial number on a metal plate secured to the equipment. The contractor shall ensure that the lifting capacity is clearly indicated on both sides of the bridge girders.

3.3 Verification of Dimensions: The Contractor shall verify all dimensions and necessary work to be performed in the field and shall advise the Contracting Officer of any discrepancy before performing any work. The contractor shall coordinate the design and layout with the crane manufacturer to provide a bridge crane system (including runway and support structure) that maximizes headroom under the runway beams.

3.4 Concrete: It is shall be assumed that the existing concrete in the building is 9” thick and proper soil compaction. If Footers are found to be required, the cost will be the responsibility of the Government.

3.5 ELECTRIC HOIST: The contractor shall provide six (6) electric hoists meeting the following specifications.

3.5.1 Hoists shall be of the heavy duty type, electric motor operated, of the close headroom type to suit the carriers furnished, and shall have the following characteristics.

The lower load block and hook shall not be considered part of the rated capacity.

3.5.2 Capacity: Hoist - 2 Ton, 4,000 lbs.

3.5.3 Lift and Profile: Available lift capability shall be as a minimum 15’

3.5.4 Lifting Speeds: There shall be as a minimum two lift speeds with high being 25 ft/min as a minimum (plus 1.5, minus 1.5 ft/min); and the second speed being variable frequency drive (VFD) controlled.

3.5.5 Electrical Service: 208 Volt, 3-phase, 60 hertz A.C. Contractor will provide disconnects for the crane systems and the contractor shall be responsible for connecting to disconnect from ANAD power source. The nearest breaker box is approximately 60’ away.

3.5.6 Control: The hoist motor control system shall be pendent controlled and remote controlled and shall provide two speeds in each direction. The pendent shall be located at a maximum of 3'-0" from the bottom of the pendant to finished floor.

3.5.7 Power Source: The hoist and trolley electrification system shall be enclosed conductor bar or Festoon.

3.5.8 Limit Switches: The hoist shall be provided with a limit switch for control of the hook at maximum raised position and hook in the extreme lower position.

3.5.9 Lift Height: The lift height shall be as a minimum 15’.

3.6 HOIST CARRIER: The contractor shall provide six (6) hoist carriers meeting the

3.6.1 Carriers shall be of the close headroom type, electric motor driven. The carriers herein previously.

3.6.2 Speed: 2 speed - 75 ft/min high; 50 ft/min low (plus or minus 10%). variable frequency drive (VFD) controlled.

3.7 BRIDGE SYSTEM: The contractor shall provide six (6) bridge systems meeting the following specifications.

3.7.1 Bridge systems shall be dual speed. Bridge and drive system shall be compatible and as generally offered within the manufacturer's product line. Two capacity plates shall be provided, one for each side of the bridges. Each plate shall be lettered to indicate the total rated hoisting capacity of the crane. All lettering shall be of sufficient size to be easily read from the floor. Each lower load block shall be marked with the hoist rated capacity.

3.7.2 Drive: Drive units shall be dual speed of 75 ft/min high and 50 ft/min low, (plus or

3.7.3 Electrical Service: 208 Volt, 3-phase, 60 hertz A.C. Bridge shall operate from insulated type conductor rails.

3.7.4 Bridge Girders: Bridge girders shall be wide flange beams, standard I-Beams, reinforced beams or sections fabricated from rolled plates and shapes. Bridge shall be designed for all dead and live loads plus a safety factor of 5. The bridge crane spans shall be approximately 19 feet; actual dimensions shall be field verified before any actual fabrication begins.

3.7.5 Stops and Bumpers: Structural trolley stops shall be provided on the bridge to engage the trolley wheels. Stops shall be located to permit maximum trolley travel.

3.7.6 Bridge Rails: Bridge rails shall be fastened to the top cover plate with welded clips or J-bolts. Bridge rail joints shall be bolted using standard joint bars. Rail joints shall be staggered. A positive stop shall be provided at the bridge rail ends to prevent creep.

Bridge rails shall be of the size recommended by the crane manufacturer and specified in the contract drawings.

3.8 ELECTRICAL: The Contractor shall provide the following and ensure that all electrical items shall conform to the following conditions.

3.8.1 All push-buttons or other manually operated controls shall be energized at a nominal 120 volts through control transformers as may be required. Push buttons shall be oil tight and the heavy-duty type. The hoist control shall satisfy the applicable requirements of National Electrical Manufacturers Association (NEMA), Industrial Control and Systems Standards. All wiring shall be in accordance with the National Electric Code. All electrical panels and boxes shall be marked and labeled in accordance with National Fire Protection Association (NFPA) 70e standards, also written lockout/tagout procedures for this equipment must be provided and attached to lockout/ tagout points.

3.8.2 Bridge Electrification: Power for the bridge drive motors, trolley, and hoist shall be derived from either bronze, stainless steel, rolled copper, or equal, conductor rails of a design especially suited to the purpose and supported by insulators and clamps at not more than 5 foot spacing, and supported by or on the tracks. Rail shall be in the form of a channel with the bus bars rigidly mounted against the sides and top of the formed channel. The support brackets and conductors shall be supplied and coordinated by the same manufacturer. The conductors shall be protected with plastic insulating shields or metal cover arranged to reduce the risk of accidental contact. The use of a grounded transformer circuit to eliminate one conductor will not be acceptable.

Connector bars and accessories are to be supplied and installed by the contractor along with the crane runway structure.

3.8.3 Motors: Motors shall be suitable for operation on a 208 volt, 3 phase, 60 hertz electrical power system, shall be of ample capacity to operate the hoist service shall be designed with a 30 minute time rating, 55 degree centigrade rise, and with torque and speed characteristics especially suited to the service.

3.8.4 Pendant Control Station/Remotes: The pendant control station shall be suspended from the crane by a strain chain or 1/4-inch (minimum) wire rope strain lead of corrosion resistant steel. The pendant station shall be free-floating. The pendant control station enclosure shall be NEMA Type 4. Push buttons shall be heavy duty, dust-and-or-oil-tight type having distinctly felt operating positions. Push buttons shall be so constructed that they cannot become hung-up in the control case. Pendant shall include a separate set of push buttons for each motion and for POWER ON-POWER OFF. All operating characteristics of each crane and hoists are to be controlled from the appropriate pendant located at the hoist hook. The crane shall have all movements controlled by wireless remotes. Two remotes shall be supplied with each bridge system.

3.8.5 Transformers: Transformers shall be dry type and shall carry full load continuously at rated voltage and frequency without exceeding an average temperature rise of 115 degrees C above an ambient temperature of 40 degrees C. The transformer shall have a totally enclosed case, which shall be furnished to resist corrosion. Transformers shall be fully encapsulated, except for those specifically designed for use as an isolation

3.9 RUNWAY AND SUPPORT COLUMNS: The Contractor shall provide the following.

3.9.1 The runway shall be ASCE crane rail - 4 runs (two systems) of 56’, with all hard ware for installation. The runways shall meet all CMAA standards for size, and true and parallel runs.

3.9.2 The support columns shall be placed as close to the walls as possible. The runway shall be designed such that two bridges can be in the same bay (side by side).

4.0 BUILDING 132 REQUIREMENTS: The Contractor shall provide two (2) crane systems of the dimensions (25’x20’). There is two existing Gorbel crane system in the locations that the contractor shall remove and place outside the building. The contractor shall provide crane systems meeting the following specifications.

4.1 Standard Products: Materials and equipment shall be standard products of manufacturers regularly engaged in the fabrication of cranes. The crane system shall be top running, single/double girder. All crane components shall be painted yellow.

4.2 Nameplates: Each major component of equipment shall have the manufacturer's name, address, type or style, or catalog number, and serial number on a metal plate secured to the equipment. The contractor shall ensure that the lifting capacity is clearly indicated on both sides of the bridge girders.

4.3 Verification of Dimensions: The Contractor shall verify all dimensions and necessary work to be performed in the field and shall advise the Contracting Officer of any discrepancy before performing any work. The contractor shall coordinate the design and layout with the crane manufacturer to provide a bridge crane system (including runway and support structure) that maximizes headroom under the runway beams.

4.4 Concrete: It is shall be assumed that the existing concrete in the building is 9” thick and proper soil compaction. If Footers are found to be required, the cost will be the responsibility of the Government.

4.5 ELECTRIC HOIST: The contractor shall provide two (2) electric hoists meeting the

4.5.1 Hoists shall be of the heavy duty type, electric motor operated, of the close headroom type to suit the carriers furnished, and shall have the following characteristics.

The lower load block and hook shall not be considered part of the rated capacity.

4.5.2 Capacity: Hoist - 2 Ton, 4,000 lbs.

4.5.3 Lift and Profile: Available lift capability shall be as a minimum 15’

4.5.4 Lifting Speeds: There shall be as a minimum two lift speeds with high being 25 ft/min as a minimum (plus 1.5, minus 1.5 ft/min); and the second speed being variable frequency drive (VFD) controlled.

4.5.5 Electrical Service: 480 Volt, 3-phase, 60 hertz A.C. Contractor will provide disconnects for the crane systems and the contractor shall be responsible for connecting to disconnects.

4.5.6 Control: The hoist motor control system shall be pendent controlled and remote controlled and shall provide two speeds in each direction. The pendent shall be located at a maximum of 3'-0" from the bottom of the pendant to finished floor.

4.5.7 Power Source: The hoist and trolley electrification system shall be enclosed conductor bar or Festoon.

4.5.8 Limit Switches: The hoist shall be provided with a limit switch for control of the hook at maximum raised position and hook in the extreme lower position.

4.5.9 Lift Height: The lift height shall be as a minimum 15’.

4.6 HOIST CARRIER: The contractor shall provide two (2) hoist carriers meeting the

4.6.1 Carriers shall be of the close headroom type, electric motor driven. The carriers herein previously.

4.6.2 Speed: 2 speed - 75 ft/min high; 50 ft/min low (plus or minus 10%). variable frequency drive (VFD) controlled.

4.7 BRIDGE SYSTEM: The contractor shall provide two (2) bridge systems meeting the

4.7.1 Bridge systems shall be dual speed. Bridge and drive system shall be compatible and as generally offered within the manufacturer's product line. Two capacity plates shall be provided, one for each side of the bridges. Each plate shall be lettered to indicate the total rated hoisting capacity of the crane. All lettering shall be of sufficient size to be easily read from the floor. Each lower load block shall be marked with the hoist rated

4.7.2 Drive: Drive units shall be dual speed of 75 ft/min high and 50 ft/min low, (plus or

4.7.3 Electrical Service: 480 Volt, 3-phase, 60 hertz A.C. Bridge shall operate from insulated type conductor rails.

4.7.4 Bridge Girders: Bridge girders shall be wide flange beams, standard I-Beams, reinforced beams or sections fabricated from rolled plates and shapes. Bridge shall be designed for all dead and live loads plus a safety factor of 5. The bridge crane spans shall be approximately 20 feet; actual dimensions shall be field verified before any actual fabrication begins.

4.7.5 Stops and Bumpers: Structural trolley stops shall be provided on the bridge to engage the trolley wheels. Stops shall be located to permit maximum trolley travel.

4.7.6 Bridge Rails: Bridge rails shall be fastened to the top cover plate with welded clips or J-bolts. Bridge rail joints shall be bolted using standard joint bars. Rail joints shall be staggered. A positive stop shall be provided at the bridge rail ends to prevent creep.

Bridge rails shall be of the size recommended by the crane manufacturer and specified in the contract drawings.

4.8 ELECTRICAL: The Contractor shall provide the following and ensure that all electrical items shall conform to the following conditions.

4.8.1 All push-buttons or other manually operated controls shall be energized at a nominal 120 volts through control transformers as may be required. Push buttons shall be oil tight and the heavy-duty type. The hoist control shall satisfy the applicable requirements of National Electrical Manufacturers Association (NEMA), Industrial Control and Systems Standards. All wiring shall be in accordance with the National Electric Code.

All electrical panels and boxes shall be marked and labeled in accordance with National Fire Protection Association (NFPA) 70e standards, also written lockout/tagout procedures for this equipment must be provided and attached to lockout/ tagout points.

4.8.2 Bridge Electrification: Power for the bridge drive motors, trolley, and hoist shall be derived from either bronze, stainless steel, rolled copper, or equal, conductor rails of a design especially suited to the purpose and supported by insulators and clamps at not more than 5 foot spacing, and supported by or on the tracks. Rail shall be in the form of a channel with the bus bars rigidly mounted against the sides and top of the formed channel. The support brackets and conductors shall be supplied and coordinated by the same manufacturer. The conductors shall be protected with plastic insulating shields or metal cover arranged to reduce the risk of accidental contact. The use of a grounded transformer circuit to eliminate one conductor will not be acceptable.

Connector bars and accessories are to be supplied and installed by the contractor along with the crane runway structure.

4.8.3 Motors: Motors shall be suitable for operation on a 480 volt, 3 phase, 60 hertz electrical power system, shall be of ample capacity to operate the hoist service shall be designed with a 30 minute time rating, 55 degree centigrade rise, and with torque and speed characteristics especially suited to the service.

4.8.4 Pendant Control Station/Remotes: The pendant control station shall be suspended from the crane by a strain chain or 1/4-inch (minimum) wire rope strain lead of corrosion resistant steel. The pendant station shall be free-floating. The pendant control station enclosure shall be NEMA Type 4. Push buttons shall be heavy duty, dust-and-or-oil-tight type having distinctly felt operating positions. Push buttons shall be so constructed that they cannot become hung-up in the control case. Pendant shall include a separate set of push buttons for each motion and for POWER ON-POWER OFF.

All operating characteristics of each crane and hoists are to be controlled from the appropriate pendant located at the hoist hook. The crane shall have all movements controlled by wireless remotes. Two remotes shall be supplied with each bridge system.

4.8.5 Transformers: Transformers shall be dry type and shall carry full load continuously at rated voltage and frequency without exceeding an average temperature rise of 115 degrees C above an ambient temperature of 40 degrees C. The transformer shall have a totally enclosed case, which shall be furnished to resist corrosion. Transformers shall be fully encapsulated, except for those specifically designed for use as an isolation transformer for static power.

4.9 RUNWAY AND SUPPORT COLUMNS:

4.9.1 The runway shall be ASCE crane rail - 2 runs of 25’for each system, with all hard ware for installation. The runways shall meet all CMAA standards for size, and true and parallel runs.

4.9.2 The support columns shall be placed as close to the walls as possible.

5.0 BUILDING 129 REQUIREMENTS: The contractor shall provide one (1) 2-ton bridge and hoist for existing system. The system is in a steam wash-rack. The system provided by the contractor shall ensure that all electrical enclosures are National Electrical Manufacturers Association (NEMA) 4x. The contractor shall provide crane systems meeting the following specifications.

5.1 Standard Products: Materials and equipment shall be standard products of manufacturers regularly engaged in the fabrication of cranes. The crane system shall be top running, single/double girder. All crane components shall be painted yellow.

5.2 Nameplates: Each major component of equipment shall have the manufacturer's name, address, type or style, or catalog number, and serial number on a metal plate secured to the equipment. The contractor shall ensure that the lifting capacity is clearly indicated on both sides of the bridge girders.

5.3 Verification of Dimensions: The Contractor shall verify all dimensions and necessary work to be performed in the field and shall advise the Contracting Officer of any discrepancy before performing any work. The contractor shall coordinate the design and layout with the crane manufacturer to provide a bridge crane system (including runway and support structure) that maximizes headroom under the runway beams.

5.4 Existing Items to be removed or relocated: The existing bridge and hoist is to be removed and placed outside the work area.

5.5 ELECTRIC HOIST: The contractor shall provide one (1) electric chain hoist meeting the following specifications.

5.5.1 Hoists shall be of the heavy duty type, chain hoist, electric motor operated, of the close headroom type to suit the carriers furnished, and shall have the following characteristics. The lower load block and hook shall not be considered part of the rated

5.5.2 Capacity: Hoist - 2 Ton, 4,000 lbs. Chain Hoist

5.5.3 Lift and Profile: Available lift capability shall be as a minimum 15’

5.5.4 Lifting Speeds: There shall be as a minimum two lift speeds with high being 25 ft/min as a minimum (plus 1.5, minus 1.5 ft/min); and the second speed being variable frequency drive (VFD) controlled.

5.5.5 Electrical Service: 208 Volt, 3-phase, 60 hertz A.C. Contractor will provide disconnects for the crane systems and the contractor shall be responsible for connecting to disconnects.

5.5.6 Control: The hoist motor control system shall be pendent controlled and remote controlled and shall provide two speeds in each direction. The pendent shall be located at a maximum of 3'-0" from the bottom of the pendant to finished floor. Shall be NEMA 4x enclosure.

5.5.7 Power Source: The hoist and trolley electrification system shall be enclosed conductor bar or Festoon and shall be designed for NEMA 4x environment.

5.5.8 Limit Switches: The hoist shall be provided with a limit switch for control of the hook at maximum raised position and hook in the extreme lower position.

5.5.9 Lift Height: The lift height shall be as a minimum 15’.

5.6 HOIST CARRIER: The contractor shall provide one (1) hoist carrier meeting the following specifications.

5.6.1 Carriers shall be of the close headroom type, electric motor driven. The carriers herein previously.

5.6.2 Speed: 2 speed - 75 ft/min high; 50 ft/min low (plus or minus 10%). variable

5.7 BRIDGE SYSTEM: The contractor shall provide one (1) bridge system meeting the following specifications.

5.7.1 Bridge systems shall be dual speed. Bridge and drive system shall be compatible and as generally offered within the manufacturer's product line. Two capacity plates shall be provided, one for each side of the bridges.

Each plate shall be lettered to indicate the total rated hoisting capacity of the crane. All lettering shall be of sufficient size to be easily read from the floor. Each lower load block shall be marked with the hoist rated capacity.

5.7.2 Drive: Drive units shall be dual speed of 75 ft/min high and 50 ft/min low, (plus or

5.7.3 Electrical Service: 208 Volt, 3-phase, 60 hertz A.C. Bridge shall operate from insulated type conductor rails. That shall be designed to operate in the following conditions:

5.7.4 Bridge Girders: Bridge girders shall be wide flange beams, standard I-Beams, reinforced beams or sections fabricated from rolled plates and shapes. Bridge shall be designed for all dead and live loads plus a safety factor of 5. The bridge crane span shall be approximately 40 feet; actual dimensions shall be field verified before any actual fabrication begins.

5.7.5 Stops and Bumpers: Structural trolley stops shall be provided on the bridge to engage the trolley wheels. Stops shall be located to permit maximum trolley travel.

5.7.6 Bridge Rails: Bridge rails shall be fastened to the top cover plate with welded clips or J-bolts. Bridge rail joints shall be bolted using standard joint bars. Rail joints shall be staggered. A positive stop shall be provided at the bridge rail ends to prevent creep.

Bridge rails shall be of the size recommended by the crane manufacturer and specified in the contract drawings.

5.8 ELECTRICAL: The Contractor shall provide the following and ensure that all electrical items shall conform to the following conditions.

5.8.1 Indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts

5.8.2 To provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (windblown dust)

5.8.3 To provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow, splashing water, and hose directed water)

5.8.4 That provides an additional level of protection against corrosion and that will be undamaged by the external formation of ice on the enclosure

5.8.5 All push-buttons or other manually operated controls shall be energized at a nominal 120 volts through control transformers as may be required. Push buttons shall be oil tight and the heavy-duty type. The hoist control shall satisfy the applicable requirements of National Electrical Manufacturers Association (NEMA), Industrial Control and Systems Standards. All wiring shall be in accordance with the National Electric Code.

All electrical panels and boxes shall be marked and labeled in accordance with National Fire Protection Association (NFPA) 70e standards, also written lockout/tagout procedures for this equipment must be provided and attached to lockout/ tagout points.

5.8.6 Bridge Electrification: Power for the bridge drive motors, trolley, and hoist shall be derived from either bronze, stainless steel, rolled copper, or equal, conductor rails of a design especially suited to the purpose and supported by insulators and clamps at not more than 5 foot spacing, and supported by or on the tracks. Rail shall be in the form of a channel with the bus bars rigidly mounted against the sides and top of the formed channel. The support brackets and conductors shall be supplied and coordinated by the same manufacturer. The conductors shall be protected with plastic insulating shields or metal cover arranged to reduce the risk of accidental contact. The use of a grounded transformer circuit to eliminate one conductor will not be acceptable. Connector bars and accessories are to be supplied and installed by the contractor along with the crane runway structure. The new conductor bar or festoon will run 47’.

5.8.7 Motors: Motors shall be suitable for operation on a 208 volt, 3 phase, 60 hertz electrical power system, shall be of ample capacity to operate the hoist service shall be designed with a 30 minute time rating, 55 degree centigrade rise, and with torque and speed characteristics especially suited to the service.

5.8.8 Pendant Control Station/Remotes: The pendant control station shall be suspended from the crane by a strain chain or 1/4-inch (minimum) wire rope strain lead of corrosion resistant steel. The pendant station shall be free-floating. The pendant control station enclosure shall be NEMA Type 4x. Push buttons shall be heavy duty, dust-and-or-oil-tight type having distinctly felt operating positions. Push buttons shall be so constructed that they cannot become hung-up in the control case. Pendant shall include a separate set of push buttons for each motion and for POWER ON-POWER OFF. All operating characteristics of each crane and hoists are to be controlled from the appropriate pendant located at the hoist hook. The crane shall have all movements controlled by wireless remotes. Two remotes shall be supplied with each bridge system.

5.8.9 Transformers: Transformers shall be dry type and shall carry full load continuously at rated voltage and frequency without exceeding an average temperature rise of 115 degrees C above an ambient temperature of 40 degrees C. The transformer shall have a totally enclosed case, which shall be furnished to resist corrosion. Transformers shall be fully encapsulated, except for those specifically designed for use as an isolation

6.0 BUILDING 108 REQUIREMENTS: The Contractor shall provide one (1) 2-Ton bridge and hoist for existing system, which will require an all new electrical system for the bridge as the current one is not up to code. The contractor shall provide hoist one (1) crane system meeting the following specifications.

6.1 Standard Products: Materials and equipment shall be standard products of manufacturers regularly engaged in the fabrication of cranes. The crane system shall be top running, single/double girder. All crane components shall be painted yellow.

6.2 Nameplates: Each major component of equipment shall have the manufacturer's name, address, type or style, or catalog number, and serial number on a metal plate secured to the equipment. The contractor shall ensure that the lifting capacity is clearly indicated on both sides of the bridge girders.

6.3 Verification of Dimensions: The Contractor shall verify all dimensions and necessary work to be performed in the field and shall advise the Contracting Officer of any discrepancy before performing any work. The contractor shall coordinate the design and layout with the crane manufacturer to provide a bridge crane system (including runway and support structure) that maximizes headroom under the runway beams.

6.4 Existing Items to be removed or relocated: The existing bridge and hoist is to be removed and placed outside the work area.

6.5 ELECTRIC HOIST: The contractor shall provide one (1) hoist meeting the following specifications.

6.5.1 General: Hoists shall be of the heavy duty type, electric motor operated, of the close headroom type to suit the carriers furnished, and shall have the following characteristics. The lower load block and hook shall not be considered part of the rated capacity.

6.5.2 Capacity: Hoist - 2 Ton, 4,000 lbs.

6.5.3 Lift and Profile: Available lift capability shall be as a minimum 25’

6.5.4 Lifting Speeds: There shall be as a minimum two lift speeds with high being 25 ft/min as a minimum (plus 1.5, minus 1.5 ft/min); and the second speed being variable frequency drive (VFD) controlled.

6.5.5 Electrical Service: 480 Volt, 3-phase, 60 hertz A.C. Contractor will provide disconnects for the crane systems and the contractor shall be responsible for connecting to disconnects.

6.5.6 Control: The hoist motor control system shall be pendent controlled and remote controlled and shall provide two speeds in each direction. The pendent shall be located at a maximum of 3'-0" from the bottom of the pendant to finished floor.

6.5.7 Power Source: The hoist and trolley electrification system shall be enclosed conductor bar or Festoon.

6.5.8 Limit Switches: The hoist shall be provided with a limit switch for control of the hook at maximum raised position and hook in the extreme lower position.

6.5.9 Lift Height: The lift height shall be as a minimum 25’.

6.6 HOIST CARRIER: The contractor shall provide one (1) hoist carrier meeting the following specifications.

6.6.1 Carriers shall be of the close headroom type, electric motor driven. The carriers herein previously.

6.6.2 Speed: 2 speed - 75 ft/min high; 50 ft/min low (plus or minus 10%). variable

6.7 BRIDGE SYSTEM: The contractor shall provide one (1) bridge system meeting the following specifications.

6.7.1 General: Bridge systems shall be dual speed. Bridge and drive system shall be compatible and as generally offered within the manufacturer's product line. Two capacity plates shall be provided, one for each side of the bridges. Each plate shall be lettered to indicate the total rated hoisting capacity of the crane. All lettering shall be of sufficient size to be easily read from the floor. Each lower load block shall be marked with the hoist rated capacity.

6.7.2 Drive: Drive units shall be dual speed of 75 ft/min high and 50 ft/min low, (plus or minus 10%). VFD controlled.

6.7.3 Electrical Service: 480 Volt, 3-phase, 60 hertz A.C. Bridge shall operate from insulated type conductor rails. That shall be designed to operate in the following conditions:

6.7.4 Bridge Girders: Bridge girders shall be wide flange beams, standard I-Beams, reinforced beams or sections fabricated from rolled plates and shapes. Bridge shall be designed for all dead and live loads plus a safety factor of 5. The bridge crane span shall be approximately 30 feet; actual dimensions shall be field verified before any actual fabrication begins.

6.7.5 Stops and Bumpers: Structural trolley stops shall be provided on the bridge to engage the trolley wheels. Stops shall be located to permit maximum trolley travel.

6.7.6 Bridge Rails: Bridge rails shall be fastened to the top cover plate with welded clips or J-bolts. Bridge rail joints shall be bolted using standard joint bars. Rail joints shall be staggered. A positive stop shall be provided at the bridge rail ends to prevent creep.

Bridge rails shall be of the size recommended by the crane manufacturer and specified in the contract drawings.

6.8 ELECTRICAL: The Contractor shall provide the following and ensure that all electrical items shall conform to the following conditions.

6.8.1 All push-buttons or other manually operated controls shall be energized at a nominal 120 volts through control transformers as may be required. Push buttons shall be oil tight and the heavy-duty type. The hoist control shall satisfy the applicable requirements of National Electrical Manufacturers Association (NEMA), Industrial Control and Systems Standards. All wiring shall be in accordance with the National Electric Code. All electrical panels and boxes shall be marked and labeled in accordance with National Fire Protection Association (NFPA) 70e standards, also written lockout/tagout procedures for this equipment must be provided and attached to lockout/ tagout points.

6.8.2 Bridge Electrification: Power for the bridge drive motors, trolley, and hoist shall be derived from either bronze, stainless steel, rolled copper, or equal, conductor rails of a design especially suited to the purpose and supported by insulators and clamps at not more than 5 foot spacing, and supported by or on the tracks. Rail shall be in the form of a channel with the bus bars rigidly mounted against the sides and top of the formed channel. The support brackets and conductors shall be supplied and coordinated by the same manufacturer. The conductors shall be protected with plastic insulating shields or metal cover arranged to reduce the risk of accidental contact. The use of a grounded transformer circuit to eliminate one conductor will not be acceptable.

Connector bars and accessories are to be supplied and installed by the contractor along with the crane runway structure. The new conductor bar will run 300’.

6.8.3 Motors: Motors shall be suitable for operation on a 480 volt, 3 phase, 60 hertz electrical power system, shall be of ample capacity to operate the hoist service shall be designed with a 30 minute time rating, 55 degree centigrade rise, and with torque and speed characteristics especially suited to the service.

6.8.4 Pendant Control Station/Remotes: The pendant control station shall be suspended from the crane by a strain chain or 1/4-inch (minimum) wire rope strain lead of corrosion resistant steel. The pendant station shall be free-floating. Push buttons shall be heavy duty, dust-and-or-oil-tight type having distinctly felt operating positions. Push buttons shall be so constructed that they cannot become hung-up in the control case. Pendant shall include a separate set of push buttons for each motion and for POWER ON- POWER OFF. All operating characteristics of each crane and hoists are to be controlled from the appropriate pendant located at the hoist hook. The crane shall have all movements controlled by wireless remotes. Two remotes shall be supplied with bridge system.

6.8.5 Transformers: Transformers shall be dry type and shall carry full load continuously at rated voltage and frequency without exceeding an average temperature rise of 115 degrees C above an ambient temperature of 40 degrees C. The transformer shall have a totally enclosed case, which shall be furnished to resist corrosion. Transformers shall be fully encapsulated, except for those specifically designed for use as an isolation transformer for static power.

7.0 BUILDING 400 REQUIREMENTS: The Contractor shall provide the following.

7.1 Building 400 specification establishes a requirement for corrective maintenance support for a P&H brand 20 Ton Bridge Crane (Bar code #09617) located in Bldg. 400 on Anniston Army Depot, Anniston, Alabama. The exact model number of the crane is unknown. The serial number for this crane is 14242.

7.2 Maintenance Requirements: The Contractor shall provide the Government maintenance support for the P&H brand 20 ton bridge crane located at Anniston Army Depot, Anniston, Alabama. Maintenance shall include:

7.2.1 Contractor shall remove the main hoist drum and have it resurfaced such that all dimension meets OEM (original equipment manufacturer) specifications.

7.2.2 Wire rope shall be replaced with new wire rope which meets OEM specifications.

7.2.3 If any work or part is outsourced by the Contractor all requirements listed in this SOW shall apply to subcontractors.

8.0 ACCEPTANCE TESTING: The Contractor shall perform acceptance testing for each building listed in this SOW utilizing the requirements of this section. The contractor shall provide all labor and equipment utilized to conduct acceptance testing.

8.1 Crane Acceptance Test: Equipment shall pass the following tests and inspection made by ANAD and contractor personnel.

8.2 Test Sequence: The contractor shall test each crane according to the paragraphs of this procedure in the sequence provided as follows.

8.3 Equipment Monitoring: The contractor shall monitor improper operation or poor condition of safety devices, electrical components, mechanical equipment, and structural assemblies during the load test. The contractor shall immediately report observed defects critical to continue testing to the Contracting Officer Representative (COR) and Contracting Officer (KO). The contractor shall be suspend testing until the deficiency is corrected. During and immediately following each load test, the contractor shall make the following inspections:

8.3.1 Inspect for evidence of bending, warping, permanent deformation, cracking or malfunction of structural components.

8.3.2 Inspect for evidence of slippage in wire rope sockets and fittings.

8.3.3 Check for overheating in brake operation; check for proper stopping. All safety devices, including emergency stop switches and POWER OFF push buttons, shall be tested and inspected separately to verify proper operation of the brakes.

8.3.4 Check for abnormal noise or vibration and overheating in machinery drive components.

8.3.5 Check wire rope sheaves and drum spooling for proper operation, freedom of movement, abnormal noise or vibration.

8.3.6 Check electrical drive components for proper operation, freedom from chatter, noise or overheating.

8.3.7 Inspect external gears for abnormal wear patterns, damage, or inadequate lubrication.

8.4 No-Load Testing: The contractor shall perform no-load testing for each system installed using the following procedures.

8.4.1 Hoist Operating and Limit Switch Test: The load hook shall be raised and lowered through the full range of normal travel at rated speed and other speeds of the crane. The load hook shall be stopped below the geared limit switch upper setting. In slow speed only, proper operation of upper and lower limit switches for primary motion shall be verified. The test shall be repeated a sufficient number of times (minimum of three) to demonstrate proper operation. Brake action shall be tested in each direction.

8.4.2 Trolley Travel: The trolley shall be operated the full distance of the bridge rails exercising all primary drive speed controls in each direction. Brake operation shall be verified in each direction.

8.4.3 Bridge Travel: The bridge shall be operated the full distance of the runway exercising all primary drive speed controls, in each direction. Brake operation shall be verified in each direction.

8.4.4 Hoist Loss of Power No-Load Test: Using primary drive, the hook shall be raised to a height of approximately 8 feet or less. While slowly lowering the hook, the main power source shall be disconnected verifying that the hook will not lower and that both brakes will set.

8.4.5 Travel Loss of Power No-Load Test: With the hook raised to clear obstructions and the trolley traveling, the main power source shall be disconnected verifying that the trolley will stop and that the brake will set.

8.5 Load Test: The contractor shall perform load testing for each system installed using the following procedures.

8.5.1 Hoist Static Load Test: Holding brakes and hoisting components shall be tested by raising the test load approximately 1 foot. The load shall be held for 10 minutes.

8.5.2 Dynamic Load Test: 100% test load shall be raised and lowered through the full range operating in each speed. The machinery shall be completely stopped at least once in each direction to ensure proper brake operation.

8.5.3 Hoist Loss of Power Test: After raising 100% test load to approximately 8 feet, slowly lower the test load, the main power source and the control shall be released verifying that the test load will not lower and that both brakes will set.

8.5.4 Trolley Dynamic Load Test: While operating the trolley the full distance of the bridge rails in each direction with test load on the hook (one cycle), the proper functioning of primary drive speed control points and proper brake action shall be tested.

8.5.6 Bridge Dynamic Load Test: With test load on the hook, the bridge shall be operated for the full length of the runway in both directions with the trolley at end of the bridge. Proper functioning of all primary drive speed control points and brake action shall be verified.