In Ground - Passenger

IN-GROUND CAR TYPE SUMMARY

This is the traditional elevator application that has been used for many years. The jack is located directly under the platform, in the ground. The jack is protected from the ground using a PVC liner.

ADVANTAGES

Material cost for the package is less expensive than all other car types. The package is the easiest to install and is available in low capacity as well as high capacity applications. Heavy freight cars are typically always in-ground. The pit depth and overhead dimensions are typically always standard, not requiring any extended dimensions, even though the travel can be upwards to several landings.

DISADVANTAGES

Jack is located underground and oil contamination is remotely possible. The PVC liner is providing protection between the cylinder and the actual soil.

Geographic areas which experience seismic activity will present the greatest risk of oil contamination.

The jack (single stage) must go down into the ground the same distance as the travel. Drilling a jack hole can be expensive, depending upon the ground conditions.

LOW CAPACITY STANDARD DIMENSION & SPECIFICATION CHART

Capacity (lbs.) Openings
F=Front
R=Rear
Hoistway Size
W(A) X D(B)
Platform Size
W(C) X D(D)
Clear Inside
W X D
Clear
Opening
Width
Door Types
SSSO SSCO 2SSO
PDFs CAD
2100 F 7'-4" X 5'-9" 6'-0" X 5'-1" 5'-8" X 4'-3" 3'-0" X SSSO (LH) SSSO (LH)
2100 F & R 7'-4" X 6'-8" 6'-0" X 5'-7½" 5'-8" X 4'-3½" 3'-0" X SSSO F&R SSSO F&R
2500 F 8'-4" X 5'-9" 7'-0" X 5'-1" 6'-8" X 4'-3" 3'-6" X X SSCO SSSO (LH) SSCO SSSO (LH)
2500 F & R 8'-4" X 6'-8" 7'-0" X 5'-7½" 6'-8" X 4'-3½" 3'-6" X X SSSO F&R SSSO F&R
3000 F 8'-4" X 6'-2" 7'-0" X 5'-6" 6'-8" X 4'-8" 3'-6" X X SSCO SSSO (LH) SSCO SSSO (LH)
3000 F & R 8'-4" X 6'-11" 7'-0" X 5'-10½" 6'-8" X 4'-6½" 3'-6" X X SSSO F&R SSSO F&R
3500 F 8'-4" X 6'-11" 7'-0" X 6'-3" 6'-8" X 5'-5" 3'-6" X X SSCO SSSO (LH) SSCO SSSO (LH)
3500 F & R 8'-4" X 7'-8" 7'-0" X 6'-7½" 6'-8" X 5'-3½" 3'-6" X X SSSO F&R SSSO F&R
4000 F 7'-4" X 9'-2½" 6'-0" X 8'-5" 5'-8" X 7'-5" 4'-0" X SSSO (LH) SSSO (LH)
4000 F & R 7'-4" X 10'-4" 6'-0" X 9'-0½" 5'-8" X 7'-4½" 4'-0" X SSSO F&R SSSO F&R
4500 F 7'-6" X 9' 6½" 6'-0" X 8-9" 5'-8" X 7'-9" 4'-0" X SSSO (LH) SSSO (LH)
4500 F & R 7'-6" X 10' 9" 6'-0" X 9'-5½" 5'-8" X 7'-9½" 4'-0" X SSSO F&R SSSO F&R

  • Note 1: Running clearance between sill and platform is 1.25".
  • Note 2: Single speed doors sill depth 4". Two speed doors sill depth 5.5".

APPROXIMATE CLEAR INSIDE DIMENSIONS OF CAB

Width = Platform Width less 4"

Depth = Front Open Only

SSSO & CO Doors = Platform Depth Less 10" 2SSO Doors = Platform Depth less 12"

Depth = Front & Rear Open

SSSO & CO Doors = Platform Depth Less 16" 2SSO Doors = Platform Depth less 20"

DBG (Distance Between Guides)

Platform Width plus 3 1/4" 15# rail depth= 3 & ½"

OVERHEAD REQUIRED QUICK CALCULATION

Regardless of what the travel is, the standard mimimum overhead is 12'-8". Consult your Alliance Elevator representative if your overhead is less than 12'-8".

Pit Depth 4'-0"
Piston Bottom Undertravel 12"
Car Speed Up To 150 FPM
Cab Height 8'-0"
Piston Top Overtravel 5"

RAIL BRACKET FASTENING TO HOISTWAY WALLS

Hoistway wall supports for rail bracket fastening are required per the layout drawing locations. For block or masonary walls, wall inserts must be installed in the walls by OTHER than the Elevator Contractor.

Masonary block must be filled with mortar around Wall Inserts to provide a solid permanent rail bracket support.

For wood and metal stud hoistway walls, covered with sheetrock, a suitable header support (running front-to-rear on each hoistway side wall) is required at each rail bracket location as per the rail force and location shown on the job specific layout drawing.

MAXIMUM INSIDE NET PLATFORM AREAS

Rated Capacity
(Lbs.)
Inside Net Area
(Sq. Ft.)
2100 24.2
2500 29.1
3000 33.7
3500 38.0
4000 42.2
4500 46.2
5000 50.0

AES can provide not only standard sizes as outlined above but also non-standard or custom sizes. Please consult AES for details.

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