D03.REV

HOISTWAY EQUIPMENT FOR HYDRAULIC ELEVATOR WORK

NOTE: MASTER COPY DATE: JULY 27, 1983

Part 1 -	GENERAL

1)	DESCRIPTION

A.	Complete hoistway, pit and car equipment with required appurtenances.

2)	SUBMITTALS

A.	Shop drawings:

1.	Dimensional drawings indicating:

a.	Hoistway and equipment.

b.	Supports of equipment.

c.	Reactions.

d.	Weights of equipment.

e.	Specification, electrical and btu data.

Part 2 -	PRODUCTS

1)	EQUIPMENT AND MATERIAL

A.	Well casing:

1.	Provide driven well casing for insertion of waterproof casing and cylinder. When drilling through solid rock and there is no posibility of loos rocks falling into well opening, well casing may be omitted

2.	Bottom of well casing shall be sealed with concrete plug.

3.	Plumb, or of sufficient diameter to allow waterproof casing and cylinder to be set plumb on designed centerlines

4.	No extra shall be allowed for unanticipated or unusual ground or soil conditions encountered in providing the well

NOTE: COORDINATE WITH ARCHITECT WHERE INFORMATION WILL BE LOCATED.

5.	It shall be the responsibility of the Elevator Contractor to familiarize himself with the soil conditions and test boring information in the area of the proposed wells. This information will be available for inspection at the office of the ________________

B.	Waterproof casing:

1.	Provide waterproof casing with collar and bottom plate welded as shown. Exterior surface coated with heavy, double hot mopped bitumastic or asphaltum compound and allowed to dry before installation or double wrapped with Tapecoat

2.	Plumb at proper elevations, on proper centerlines.

a.	Prior to pouring of elevator pit, by others, Elevator Contractor shall ascertain casing is plumb at proper elevations, on proper center-lines and repostion as required

3.	Provide cardboard or plastic protection for outer coating while inserting into well

4.	Upon installation of casing secure to prevent movement.

5.	Fill space between well and waterproof casing with dry, salt-free sand.

6.	Where casing penetrates pit slab make joints watertight.

NOTE: WHEN WATERPROOF CASING IS INSTALLED BEFORE PIT USE THE FOLLOWING.

7.	Fill waterproof casing with oil or other noncorrosive material.

8.	Cover top with secured metal cap.

9.	Mark location with marker flag or as directed.

C.	Cylinder and plunger:

1.	Provide equipment as applicable for direct plunger and/or holeless type elevators

2.	Cylinder:

a.	Steel pipe.

b.	Thickness to systain 400 psi test (28 kilograms per square cm test).

c.	Built-up construction.

d.	External couplings.

e.	Bottom closed.

f.	Fit with cylinder head, incorporating:

(1)	Adjustable packing gland, prevent excessive oil leakage, easily repackable. Provide means to release air from cylinder

(2)	Bronze bushing.

(3)	Strike, for plunger stop collar.

(4)	Collection groove and coupling with runoff tube.

(a)	Plastic tubing not acceptable.

(5)	Supports.

g.	Direct plunger type elevators: External surface coated with heavy, double hot mopped bitumastic or asphaltum compound and allowed to dry before installation or double wrapped with Tapecoat

(1)	Provide cardboard or plastic protection for outer coating while inserting into waterproof casing

h.	Set plumb at prober elevations, on proper centerlines.

i.	Scavanger system:

(1)	Device and tubing shall collect oil from cylinder and drip pan under pump unit. After filtering shall return oil to oil reservoir

3.	Plunger:

a.	Selected steel tubing.

b.	Diameter as approved.

c.	Turned true, polished.

d.	Built-up construction.

e.	Internal couplings.

f.	Incorporate stop collar to prevent plunger leaving cylinder.

g.	Equip with plate for mounting to car frame.

D.	Guide rails:

1.	Planed steel, standard T-section.

2.	Extend from pit floor to underside of concrete slab or grating at top of hoistway.

E.	Guides:

1.	Mount on top and bottom of car.

2.	Roller type:

a.	Three ball bearing rubber or composition tired wheels, with adjustable springs or other method subject to review, to maintain rail contact.

b.	Suitable for operation on dry unlubricated guide rails.

3.	Sliding type:

a.	Adjustable with removable nylon or equal gibs.

b.	Suitable for operating on lubricated guide rails.

c.	Guide rail lubricators on top of car.

F.	Buffers:

1.	Type: Spring

2.	Stroke: as required by Code.

3.	Pipe struts and braces as required.

4.	Locate in pit under car.

5.	Mount on continuous channels secured to guide rails.

G.	Automatic terminal stopping devices:

1.	To stop car at top and bottom landings.

2.	Independent of regular operating device.

3.	Provide final limit switches:

a.	To stop car that has traveled beyond zone of normal stopping devices.

b.	Prevent operation of elevator until reset.

c.	Operated by elevator car.

H.	Pit stop switch:

1.	Provide auxiliary stop switch in pit adjacent to point of access to pit.

2)	ACCEPTABLE MANUFACTURERS

A.	Armor Elevator Company.

B.	Dover Elevator Company.

C.	Montgomery Elevator Company.

D.	Otis Elevator Company.

E.	Schindler Haughton Elevator Corporation.

F.	Westinghouse Elevator Company.

Part 3 -	EXECUTION

1)	INSTALLATION

A.	Waterproof casing, cylinder and plunger:

1.	Waterproof casing and cylinder, set plumb at proper elevations, on proper centerlines

2.	Plunger, plumb with elevator at any elevation.

B.	Guide rails:

1.	Erect plumb and parallel, maximum deviation 1/8 in. (3.2mm).

2.	Support to prevent distortion by eccentric loadng.

3.	Provide rail backing when bracket spacing exceeds 14 ft-0 in. (4.3m) or Code recommended maximum

4.	Supply inserts as required or noted. Installation under Related Work Specified Elsewhere

2)	FIELD QUALITY CONTROL

A.	Tests

1.	As required by governing Code.