0800-03-07-.21
Hoisting Chains
Cite as Tenn. Comp. R. & Regs. 0800-03-07-.21
(1)
Only roller chain made of high quality alloy, heat treated steel with the following characteristics will
be acceptable.
SEWER LIFT STATION, PERSONNEL ELEVATORS
CHAPTER 0800—3—7
(a)
Prestressed
(b)
Shot Peened
(c)
In-Line Blanking
(d)
Deep Case Hardening of Pins and Bushings
(2)
Suspension means shall not be less than two separate roller chains; each chain having a minimum
tensile strength of 3,500 pounds.
(3)
The factor of safety of the suspension means shall be not less than seven.
(4)
All chains shall have not less than six inches of chain available beyond the normal stopping point when
the car has reached its extreme limits of travel.
(5)
All chain ends must be fastened by standard master links as supplied by chain manufacturer.