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1.1 This Technical Information Letter (or TIL) contains construction, marking and test requirements for buffers intended to be installed in passenger and freight elevators in accordance with Safety Code for Elevators and Escalators ASME A17.1-2019/CSA B44-19. 1.2 This TIL covers oil buffers and elastomeric buffers. 1.3 The oil buffers may be provided with or without auxiliary electrical…

1.1 This Technical Information Letter (TIL) covers Escalator Driving-Machine Brake as requested by Safety Code for Elevators and Escalators ASME A17.1-2019/CSA B44-19 clauses 6.1.5.3.1 and 6.1.5.3.3. 1.2 This TIL also covers the new introduced requirements in ASME A17.1-2019/CSA B44-19 clause 6.1.5.3.4 and 6.1.5.3.3 for Escalator Driving-Machine motor-controlled dynamic barking systems.

TIL J-45, Interim Certification Requirements for Multi-layer PVC Conduit with PVC Industrial Scrap ? Types EB1 and DB2/ES2. Addition of multi-layer (2 layer) conduit construction with inside layer being composed of PVC industrial scrap and outer layer composed of virgin material.

TILJ-46, Interim Certification Requirements for Polyethylene dual-wall (PEDW) conduit. Revision to current published requirements in CSA C22.2 No. 327-18 for Polyethylene dual-wall (PEDW) conduit. Manufacturers are unable to comply with the current stiffness requirements which is resulting in no certified products available.

This TIL deals with the safety of electric operated utility winches for commercial use and similar purposes, their rated voltage being not more than 250 V. This TIL applies to portable and stationary utility winches employing steel cable or synthetic rope for tensioning, positioning, pulling heavy load, self-extricating, extricating another all-terrain recreational vehicle or similar…