FA813225Q0016 Att 3 Item Cross-Reference Worksheet - KC-135 Mx Platform System.pdf

Item # Item Sub-Item SOW Para # ACCEPTABLE UNACCEPTABLE

001 3.1

Item Cross-Reference Worksheet KC-135 Maintenance Stands

Evaluator Name & Office Symbol:

3.1.3Stairs

3.1.2.2.3 Forward most railings within 6 feet of the aircraft shall be a total of 72 inches tall minimum measured from the surface of the platform

3.1.2.2.4 All other railing shall be 42 inches tall minimum measured from the surface of the platform

3.1.2.2.5 Where the 72 inches tall railing meets the aircraft, there shall be an angled extension of 30 degrees by 18 inches out from the upper rail on the upper half as shown in attached drawing

3.1.2.2.6 There shall not be a rail on the side nearest the aircraft from the main platform

3.1.2.2.7 The Inboard end of forward side rail shall be adjustable to extend out towards the aircraft 8 to 12 inches (See Appendix A for example image)

3.1.2.2.7.1 Extendable railings shall have stopper to prevent rails from falling out

3.1.2.2.7.2 Extendable railings shall have pin hole every 1 inch for fine adjustments

3.1.2.2.7.3 Extendable railings shall include the entire 72 inches height

Cargo Door Stand (1 Ea)

Platform 3.1.1

3.1.2.2.8 All edges of the railing and the platform that are touching the aircraft shall have a 3 inch round rubber bumper, including all inboard sides of the platform as well as the bottom edges of the overhanging platform

3.1.2.2.8.1 The rubber bumpers shall be the only part of the stand to ever contact the aircraft and should thus be the inboard most material at all locations

3.1.2.2.9 All Railings shall include a 6 inches minimum toe-board

3.1.2.2.9.1 There shall be no more than 1 inch from the surface of the platform to the bottom of the toe-board

3.1.2.2.9.2 The toe-board shall not extend past the forward most railing on the inboard side

Railing 3.1.2

3.1.1.4.4 Hydraulic pump handle shall be removable and have a stowed location

3.1.1.5.1 Mechanical lock shall not allow stand to fall more than 3 inches

3.1.1.6.1 Overhang shall be clear of any objects top or bottom

3.1.1.8.1 The height difference from the top of the overhanging platform to the top of the main working platform shall be a maximum of 9.5 inches IAW OSHA standard 1910.25 or include additional stairs on the aft side such that the maximum riser height is not exceeded

3.1.2.1.1 The gate shall be self-closing IAW 1910.29

3.1.2.2.1 All railings shall be IAW OSHA standard 1926.502

3.1.2.2.2 All railings shall have no more than 19 inches gaps between the horizontal rails

3.1.2.1 Railing shall contain a secure gate on the aft end of the platform to allow wing access. The gate shall be hinged on the outboard side of the platform and shall use a locking pin through the platform on the inboard side

3.1.2.2 Railings on top of the main platform shall be constructed IAW the following requirements:

3.1.1.5 Platform shall have mechanical stop to prevent platform lowering in case of hydraulic failure

3.1.1.6 Platform must overhang a minimum of 6 inches on the aircraft side

3.1.1.7 An overhanging platform of dimensions 4.5 foot long by 5 foot wide shall be located on the aft side of the platform (see attached drawing in Appendix A)

3.1.1.8 The bottom of the overhanging platform shall be 6 inches ± 0.5 inch above the top of the main working

Vendor: Signature/Date:

COMMENTSRequirement

3.1.1.2 Stand shall have multiple locations stating maximum load limit, minimum 4

3.1.1.3 Platform workable space shall meet the dimensions indicated in the attached drawing in Appendix A

3.1.1.4 Platform height shall be adjustable from 112 inches to 150 inches from working surface to the ground

3.1.1.1 Platform working surface shall support a 2000 lbs working load

3.1.1.4.1 Stand shall be adjustable using a manual hydraulic pump (MIL-PRF 83282 or MIL-PRF 87257)

3.1.1.4.2 Hydraulic pump shall have operating instructions visible on stand, by the pump handle

3.1.1.4.3 Hydraulic pump shall have label indicating hydraulic fluid type

060 3.2

Aileron Stands (2 Ea;

one L and one R)

3.2.2.3 All main railings shall include a 6 inch toe-board

3.2.2.4 There shall be no more than 1 inch distance from the surface of the platform to the bottom of the toe-board

3.2.3.1 Stairs leading up to the platform shall lie parallel to the longest feature of the platform

3.2.1.4.1 Stand shall be adjustable using a manual hydraulic pump (MIL-PRF 83282 or MIL-PRF 87257)

3.2.2.2 At least two pieces of additional railing that increase the height of the railing to 72 inches and must be a minimum of 58 inches wide

3.2.2.2.1 Additional railing shall be capable of being repositioned and attachable to the inboard, outboard, and aft sides of the platform railing

Rails 3.2.2

Stairs 3.2.3

3.2.1Platform

3.2.2.1 Railings on top of the main platform shall be constructed IAW the following requirements:

3.2.2.1.1 All railings shall be IAW OSHA standard 1926.502

3.2.2.1.2 All other railing shall be 42 inches tall minimum measured from the surface of the platform

3.2.2.1.3 All railings shall have no more than 19 inches gaps between the horizontal rails

3.2.1.2 Stand shall have multiple locations stating maximum load limit, minimum 4

3.2.1.3 Platform shall be sloped so as to follow the dihedral of the KC-135 wing (see Appendix B)

3.2.1.4 Platform height shall be adjustable from 54 inches to 90 inches from working surface to the ground (measured from the inboard side, see Appendix B)

3.2.1.5 Platform shall have mechanical stop to prevent platform lowering in case of hydraulic failure

3.1.4.4.1 Casters shall have a minimum capacity of 10,000 lbs. each

3.1.4.4.2 Casters shall have swivel lock and brake lock

Materials 3.1.4

3.1.5.1.1 During non-transport, the tow bar shall be stowed and secured so as not to hinder visibility, present a tripping hazard, or release accidentally, for all heights of the stand

3.1.5.1.2 Tow bar shall have a lunette eye conforming to MS51336

3.1.5.4.1 The number of personnel required to move each stand shall not exceed four people

3.1.5Miscellaneous

3.1.5.2 The work stands shall be weatherized to prevent corrosion degradation from being stored outside

3.1.5.3 Any low hanging surface which presents a head strike hazard shall be covered in foam

3.1.5.4 The force required to move each stand shall not exceed the values in MIL-STD-1472 and associated tables, paragraph 5.20.6

3.1.3.1 Stairs leading up to the platform shall lie parallel to the aircraft

3.1.3.2 Stair treads shall be made from aluminum with non-slip steps

3.1.3.3 Stairs shall be 4 feet wide

3.1.3.4 Stairs shall have railings IAW OSHA standard 1926.502 and toe-boards meeting specifications above

3.1.3.5 Steps shall be constructed IAW OSHA standard 1910.25 per standard stair requirements

3.1.3.6 The bottom step shall be no more than 8 inches off the ground and shall be painted yellow

3.1.3.7 A self-closing gate shall be installed at the top of the stairs with a locking mechanism IAW 1910.29

3.2.3.2 Stairs shall be made from aluminum with non-slip steps

3.2.3.3 Stairs shall be 32 inches wide, minimum

3.2.3.4 Stairs shall have railings IAW OSHA standard 1926.502 and toe-boards meeting specifications above

3.2.1.6 Platform workable space shall meet the dimensions indicated in Appendix B

3.2.1.6.1 Appendix B below shows the RH stand. An additional LH stand shall be made as a mirror copy of the RH stand, mirrored about the end closest the stairs (denoted by red dash line). (Two stands total, LH and RH)

3.2.1.4.2 Hydraulic pump shall have operating instructions visible on stand, by the pump handle

3.2.1.4.3 Hydraulic pump shall have label indicating hydraulic fluid type

3.2.1.4.4 Hydraulic pump handle shall be removable and have a stowed location

3.2.1.5.1 Mechanical lock shall not allow stand to fall more than 3 inches

The set of aileron stands shall consist of one left hand (LH) stand and one right hand (RH) stand. They shall be mirror images of each other.

3.2.1.1 Platform working surface shall support a 1000 lbs working load distributed on the platform

3.1.4.1 Platform shall be constructed from aluminum, all remaining structure, including rails) from steel or aluminum

3.1.4.2 All steel components shall be coated IAW MIL-PRF-85285, SAE AMS-STD-595, semi-gloss royal blue

3.1.4.3 All hardware shall be made with stainless steel or aluminum

3.1.4.4 Stand shall be mobile with swivel Casters/wheels towable on rough improved surfaces (pavement with potholes), hangar door tracks, and inclines without causing damage to the stand or the casters/wheels at a minimum of 5 miles per hour

3.1.5.1 Tow bar should be attached to the aft end of the stand base

115 3.3

Miscellaneous

3.2.5.1 Two center aileron holding bars shall be installed at the locations indicated in Appendix B

Beavertail Stands (2 Ea)

3.3.3Materials

3.2.5.4.1 Casters shall have a minimum capacity of 5,000 lbs. each

3.2.5.4.2 Casters shall have swivel lock and brake lock

3.2.5.7.1 The number of personnel required to move each stand shall not exceed four people

3.2.5

3.2.5.4 Stand shall be mobile with swivel casters/wheels towable on rough improved surfaces (pavement with potholes), hangar door tracks, and inclines without causing damage to the stand or the casters/wheels at a minimum of 5 miles per hour

3.2.5.5 Any low hanging surface which presents a head strike hazard shall be covered in foam

3.2.5.6 The work stands shall be weatherized to prevent corrosion degradation from being stored outside

3.2.5.7 The force required to move each stand shall not exceed the values in MIL-STD-1472 and associated tables, paragraph 5.20.6

3.3.1Platform/ Frame

3.2.4.2.1 All steel components shall be coated IAW MIL-PRF-85285, SAE AMS-STD-595, semi-gloss royal blue.

3.2.4.2.2 All hardware shall be made with stainless steel or aluminum

3.2.5.3.1 The tray shall be 4 inches deep and 12 inches wide, minimum, and run the entire length of the platform

3.2.5.2 Each aileron holding bar shall have two supporting legs

3.2.5.3 A fastener collection tray shall be installed along the side of the stand opposite the stairs, made from solid pieces of aluminum such that no fasteners will fall out or slip through cracks. See below images.

3.2.3.6 The bottom step shall be no more than 8 inches off the ground and shall be painted yellow

3.2.4.1 Platform shall be constructed from aluminum, all remaining structure, including rails) from steel or aluminum

3.2.4.2 The work stands shall be weatherized to prevent corrosion degradation from being stored outside

3.2.4Materials

3.3.2Rails

3.3.2.3 There shall be no more than 1 inch distance from the surface of the platform to the bottom of the toe-board

3.3.2.4 Additional removable railing that can replace the standard railing above with the features/dimensions shown in Appendix C

Two work stands, the design of which shall follow as closely as possible that of government owned (hereafter as ‘stock’) B-1 style stands, P/N: 47R16420, with deviations to be outlined here. The Contractor may propose alternate constructions or modify existing commercially available stands so long they meet the structural design requirements, closely mimic stock B-1 stands, and comply with Department of the Air Force Instruction (DAFI) 91-203 Chapter 16 and OSHA 29 CFR 1910 Subpart D.

The changes to stock B-1 stand design shall at a minimum meet the requirements listed here:

3.3.2.1 Removable rails along the entire length of the platform with 6 inch toe boards along the entire width of the platform that must be lightweight (easily lifted and carried by one person)

3.3.2.1.1 Only the left and right sides are required to have rails, however the platform must be capable of accepting a stock rail on the front edge

3.3.2.2 All railings shall be IAW OSHA standard 1926.502

3.2.5.1.2 The aileron holding bars shall be positioned 12 feet apart

3.2.5.1.3 The aileron holding bars shall be 72 inches long by 6 inches wide and no more than 2 inches thick (not including rubber padding)

3.2.5.1.4 One end of the holding bars shall be flush to the leg farthest from the stairs

3.2.5.1.5 The top holding bars shall have a piece of rubber attached that is 0.5 inch thick minimum, adhered to the top face of the bar and of the same dimensions of the bar (72 inches long by 6 inches wide)

3.2.5.2.1 The legs shall be adjustable from 60 inches to 86 inches and height lockable at any point between the max and minimum adjustable heights

3.2.5.2.2 The legs shall be 48 inches apart

3.2.5.2.3 The legs on the side of the platform closest to the stairs shall be 12 inches from the toe-board

3.2.5.1.1 Each aileron holding bar shall be capable of supporting 300 pounds

3.2.3.5 Steps shall be constructed IAW OSHA standard 1910.25 per standard stair requirements

3.3.1.1 A custom platform extended over the wheels of the stand by an additional 3 feet minimum, such that the dimensions given in Appendix C are met

3.3.1.2 The base frame shall be the same dimensions as the stock B-1 stand such that the wheels stay in the same location

3.3.1.3 Stand shall have multiple locations stating maximum load limit, minimum 4

Platform shall be constructed from aluminum, all remaining structure, including rails) from steel or aluminum

3.3.3.1 All steel components shall be coated IAW MIL-PRF-85285, SAE AMS-STD-595, semi-gloss royal blue

3.3.3.2 All hardware shall be made with stainless steel or aluminum

3.3.4.1 The working load of the platforms shall be 500 pounds minimum with a minimum factor of safety of 4.0 as per DAFI 91-203 paragraph 16.5.2

3.3.4.2 Tow bar should be attached to the aft end of the stand base

3.3.4.2.1 During non-transport, the tow bar shall be stowed and secured so as not to hinder visibility, present a tripping hazard, or release accidentally, for all heights of the stand

3.3.4Miscellaneous

3.3.4.5 The work stands shall be towable at a minimum of 10 miles per hour over rough improved terrain (pavement with potholes), hangar door tracks, and inclines without causing damage to the stands or casters/wheels

3.3.4.6 The hydraulic ram of shall be painted with a red stripe indicating its maximum operating length (the stand raised to 12 feet)

3.3.4.7 The work stands shall have a data plate affixed possessing all applicable information required in accordance with (IAW) DAFI 91-203 paragraph 16.4.6.2

3.3.4.2.2 Tow bar shall have a lunette eye conforming to MS51336

3.3.4.3 The work stands shall be weatherized to prevent corrosion degradation from being stored outside

3.3.4.4 Construction, methods, and materials used in the manufacture of the work stands and all work stand components shall incorporate ease of maintenance. It shall also provide a durable and sustainable useful life of at least 25 years. All components must be off-the-shelf items to the fullest extent possible

Cross-Ref Worksheet Vendor A